Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Volvo S60 RFACTORY OEM SERVICE PROCEDURE
Central Electronic Module (CEM) DTCS
CENTRAL ELECTRONIC MODULE (CEM) DTC INDEX
| Volvo Code | Description |
|---|---|
| CEM-1A03 | S-Power supply. Signal too low. Intermittent fault |
| CEM-1A03 | S-Power supply. Signal too low. Permanent fault |
| CEM-1A04 | X-Power supply. Signal too low. Intermittent fault |
| CEM-1A04 | X-Power supply. Signal too low. Permanent fault |
| CEM-1A05 | 30 Power supply. Signal too low. Intermittent fault |
| CEM-1A05 | 30 Power supply. Signal too low. Permanent fault |
| CEM-1A05 | X-Power supply. Signal too high. Intermittent fault |
| CEM-1A05 | X-Power supply. Signal too high. Permanent fault |
| CEM-1A06 | 15-Power supply. Signal too low. Intermittent fault |
| CEM-1A06 | 15-Power supply. Signal too low. Permanent fault |
| CEM-1A07 | 15-Power supply. Signal too high. Intermittent fault |
| CEM-1A07 | 15-Power supply. Signal too high. Permanent fault |
| CEM-1A08 | 50-Power supply. Signal missing. Intermittent fault |
| CEM-1A08 | 50-Power supply. Signal missing. Permanent fault |
| CEM-1A09 | 50-Power supply. Signal too high. Intermittent fault |
| CEM-1A09 | 50-Power supply. Signal too high. Permanent fault |
| CEM-1A21 | Increased power supply relay. Signal too high. Intermittent fault |
| CEM-1A21 | Increased power supply relay. Signal too high. Permanent fault |
| CEM-1A23 | Increased power supply relay. No signal. Intermittent fault |
| CEM-1A23 | Increased power supply relay. No signal. Permanent fault |
| CEM-1A24 | Relay Ext X2-Power supply. Signal too high. Intermittent fault (AW50/51 AWD) |
| CEM-1A24 | Relay Ext X2-Power supply. Signal too high. Intermittent fault (AW55-50/51SN) |
| CEM-1A24 | Relay Ext X2-Power supply. Signal too high. Permanent fault (AW50/51 AWD) |
| CEM-1A24 | Relay Ext X2-Power supply. Signal too high. Permanent fault (AW55-50/51SN) |
| CEM-1A25 | Relay Ext X2-Power supply. Signal too low. Intermittent fault (AW50/51 AWD) |
| CEM-1A25 | Relay Ext X2-Power supply. Signal too low. Intermittent fault (AW55-50/51SN) |
| CEM-1A25 | Relay Ext X2-Power supply. Signal too low. Permanent fault (AW50/51 AWD) |
| CEM-1A25 | Relay Ext X2-Power supply. Signal too low. Permanent fault (AW55-50/51SN) |
| CEM-1A26 | Relay, 15i power supply. Signal too high |
| CEM-1A27 | Relay, 15i power supply. Signal too low |
| CEM-1A41 | Real time clock. Internal fault. Intermittent fault |
| CEM-1A41 | Real time clock. Internal fault. Permanent fault |
| CEM-1A42 | Real time clock. Internal fault. Intermittent fault |
| CEM-1A42 | Real time clock. Internal fault. Permanent fault |
| CEM-1A51 | Communication with the supplemental restraint system module (SRS). Signal missing |
| CEM-1A52 | Communication with the driver door module (DDM). Signal missing |
| CEM-1A53 | Communication with the passenger door module (PDM). Signal missing |
| CEM-1A54 | Communication with the power seat module (PSM). Signal missing |
| CEM-1A55 | Communication with the climate control module (CCM). Signal missing |
| CEM-1A56 | Communication with the driver information module (DIM). Signal missing |
| CEM-1A57 | Communication with the RTI module. Signal missing |
| CEM-1A58 | Communication with the phone module (PHM). Signal missing |
| CEM-1A59 | Communication with the audio module (AUM). Signal missing |
| CEM-1A5A | Communication with the rear electronic module (REM). Signal missing |
| CEM-1A5B | Communication with the steering wheel module (SWM). Signal missing |
| CEM-1A5C | Communication with the upper electronic module (UEM). Signal missing |
| CEM-1A5D | Communication with the electronic throttle module (ETM). Signal missing |
| CEM-1A5E | Communication with the steering wheel angle sensor module (SAS). Signal missing |
| CEM-1A5F | Communication with the brake control module. Signal missing |
| CEM-1A61 | Communication with the transmission control module (TCM). Signal missing (AW50/51 AWD; AW55-50/51SN) |
| CEM-1A62 | Communication with the engine control module (ECM). Signal missing |
| CEM-1A63 | Communication with the accessory electronic module. Signal missing |
| CEM-1A64 | Communication with the differential electronic module (DEM). Signal missing |
| CEM-1A65 | Communication with the suspension module (SUM). Signal missing |
| CEM-1C01 | L signal. Signal too high. Intermittent fault |
| CEM-1C01 | L signal. Signal too high. Permanent fault |
| CEM-1C02 | L signal. Signal too low. Intermittent fault |
| CEM-1C02 | L signal. Signal too low. Permanent fault |
| CEM-1C04 | 30 Power supply. Signal too high. Intermittent fault |
| CEM-1C04 | 30 Power supply. Signal too high. Permanent fault |
| CEM-1D01 | Control module. Internal fault. Intermittent fault |
| CEM-1D01 | Control module. Internal fault. Permanent fault |
| CEM-1D02 | Control module, software. Internal fault. Intermittent fault |
| CEM-1D02 | Control module, software. Internal fault. Permanent fault |
| CEM-1D03 | Control module not fully programmed. Internal fault. Intermittent fault |
| CEM-1D03 | Control module not fully programmed. Internal fault. Permanent fault |
| CEM-1D04 | ECM, software. Faulty signal. Intermittent fault |
| CEM-1D04 | ECM, software. Faulty signal. Permanent fault |
| CEM-1D05 | TCM, software. Faulty signal. Intermittent fault |
| CEM-1D05 | TCM, software. Faulty signal. Permanent fault |
| CEM-1D06 | Control module. Configuration fault |
| CEM-1D07 | Control module. Internal fault. Intermittent fault |
| CEM-1D07 | Control module. Internal fault. Permanent fault |
| CEM-1D08 | Control module. Internal fault. Intermittent fault |
| CEM-1D08 | Control module. Internal fault. Permanent fault |
| CEM-1D09 | Control module. Internal fault. Intermittent fault |
| CEM-1D09 | Control module. Internal fault. Permanent fault |
| CEM-1D0A | Control module. Internal fault. Intermittent fault |
| CEM-1D0A | Control module. Internal fault. Permanent fault |
| CEM-1D0C | Control module. Internal fault. Intermittent fault |
| CEM-1D0C | Control module. Internal fault. Permanent fault |
| CEM-1E04 | Communication with the lamp switch module. Signal missing. Intermittent fault |
| CEM-1E04 | Communication with the lamp switch module. Signal missing. Permanent fault |
| CEM-1E05 | Communication with the additional heater module. Signal missing. Intermittent fault |
| CEM-1E05 | Communication with the additional heater module. Signal missing. Permanent fault |
| CEM-2E01 | Power steering. Signal faulty. Intermittent fault |
| CEM-2E01 | Power steering. Signal faulty. Permanent fault |
| CEM-2E03 | Power steering. Faulty set-up |
| CEM-2E04 | Power steering. Configuration fault |
| CEM-3A01 | Fuel pump. Signal missing. Permanent fault |
| CEM-3A02 | fuel pump. Signal faulty |
| CEM-3A03 | Fuel pump. Signal too low. Intermittent fault |
| CEM-3A03 | Fuel pump. Signal too low. Permanent fault |
| CEM-3A04 | Fuel pump. Signal too high. Intermittent fault |
| CEM-3A04 | Fuel pump. Signal too high. Permanent fault |
| CEM-3A05 | fuel pump. Signal too low. Intermittent fault |
| CEM-3A05 | fuel pump. Signal too low. Permanent fault |
| CEM-3A07 | Relay, leak diagnostic pump heating. Signal too high |
| CEM-3A08 | Relay, leak diagnostic pump heating. Signal too low |
| CEM-3F02 | Shift lock signal. Signal too high. Intermittent fault |
| CEM-3F02 | Shift lock signal. Signal too high. Permanent fault |
| CEM-3F03 | Shift lock signal. Signal missing. Intermittent fault |
| CEM-3F03 | Shift lock signal. Signal missing. Permanent fault |
| CEM-3F81 | Immobilizer signal. Signal too high. Intermittent fault |
| CEM-3F81 | Immobilizer signal. Signal too high. Permanent fault |
| CEM-3F82 | Immobilizer signal. Signal too low. Intermittent fault |
| CEM-3F82 | Immobilizer signal. Signal too low. Permanent fault |
| CEM-5B01 | LH heating element. Signal faulty. Intermittent fault |
| CEM-5B01 | LH heating element. Signal faulty. Permanent fault |
| CEM-5B02 | RH heating element. Signal faulty. Intermittent fault |
| CEM-5B02 | RH heating element. Signal faulty. Permanent fault |
| CEM-5B05 | Left seat heater. Signal too low. Intermittent fault |
| CEM-5B05 | Left seat heater. Signal too low. Permanent fault |
| CEM-5B06 | Right seat heater. Signal too low. Intermittent fault |
| CEM-5B06 | Right seat heater. Signal too low. Permanent fault |
| CEM-5B07 | Left seat heater. Signal too high. Intermittent fault |
| CEM-5B07 | Left seat heater. Signal too high. Permanent fault |
| CEM-5B08 | Right seat heater. Signal too high. Intermittent fault |
| CEM-5B08 | Right seat heater. Signal too high. Permanent fault |
| CEM-5B09 | Communication with the seat heater module. Signal missing. Intermittent fault |
| CEM-5B09 | Communication with the seat heater module. Signal missing. Permanent fault |
| CEM-5B10 | Communication with the seat heater module. Signal missing. Intermittent fault |
| CEM-5B10 | Communication with the seat heater module. Signal missing. Permanent fault |
| CEM-5F11 | Relay, auxiliary heater. Signal too high. Intermittent fault (B5204T5) |
| CEM-5F11 | Relay, auxiliary heater. Signal too high. Intermittent fault (B5234T3; B5244S) |
| CEM-5F11 | Relay, auxiliary heater. Signal too high. Intermittent fault (B5254T2) |
| CEM-5F11 | Relay, auxiliary heater. Signal too high. Permanent fault (B5204T5) |
| CEM-5F11 | Relay, auxiliary heater. Signal too high. Permanent fault (B5234T3; B5244S) |
| CEM-5F11 | Relay, auxiliary heater. Signal too high. Permanent fault (B5254T2) |
| CEM-5F13 | Relay, auxiliary heater. Signal too low. Intermittent fault (B5204T5) |
| CEM-5F13 | Relay, auxiliary heater. Signal too low. Intermittent fault (B5234T3; B5244S) |
| CEM-5F13 | Relay, auxiliary heater. Signal too low. Intermittent fault (B5254T2) |
| CEM-5F13 | Relay, auxiliary heater. Signal too low. Permanent fault (B5204T5) |
| CEM-5F13 | Relay, auxiliary heater. Signal too low. Permanent fault (B5234T3; B5244S) |
| CEM-5F13 | Relay, auxiliary heater. Signal too low. Permanent fault (B5254T2) |
| CEM-5F31 | Coolant temperature sensor Open circuit or short circuit to supply (B5204T5) |
| CEM-5F31 | Coolant temperature sensor Open circuit or short circuit to supply (B5234T3; B5244S) |
| CEM-5F31 | Coolant temperature sensor Open circuit or short circuit to supply (B5254T2) |
| CEM-5F32 | Coolant temperature sensor Short circuit to ground (B5204T5) |
| CEM-5F32 | Coolant temperature sensor Short circuit to ground (B5234T3; B5244S) |
| CEM-5F32 | Coolant temperature sensor Short circuit to ground (B5254T2) |
| CEM-5F36 | Flame sensor Short circuit to ground (B5204T5) |
| CEM-5F36 | Flame sensor Short circuit to ground (B5234T3; B5244S) |
| CEM-5F36 | Flame sensor Short circuit to ground (B5254T2) |
| CEM-5F37 | Production diagnostic trouble code. Faulty code (B5204T5) |
| CEM-5F37 | Production diagnostic trouble code. Faulty code (B5234T3; B5244S) |
| CEM-5F37 | Production diagnostic trouble code. Faulty code (B5254T2) |
| CEM-5F39 | Flame sensor Flame interuption (B5204T5) |
| CEM-5F39 | Flame sensor Flame interuption (B5234T3; B5244S) |
| CEM-5F39 | Flame sensor Flame interuption (B5254T2) |
| CEM-5F3A | Water pump. Signal too high (B5204T5) |
| CEM-5F3A | Water pump. Signal too high (B5234T3; B5244S) |
| CEM-5F3A | Water pump. Signal too high (B5254T2) |
| CEM-5F3B | Water pump. Signal too low (B5204T5) |
| CEM-5F3B | Water pump. Signal too low (B5234T3; B5244S) |
| CEM-5F3B | Water pump. Signal too low (B5254T2) |
| CEM-5F3C | Heater fan. Signal too high (B5204T5) |
| CEM-5F3C | Heater fan. Signal too high (B5234T3; B5244S) |
| CEM-5F3C | Heater fan. Signal too high (B5254T2) |
| CEM-5F3D | Heater fan. Signal too low (B5204T5) |
| CEM-5F3D | Heater fan. Signal too low (B5234T3; B5244S) |
| CEM-5F3D | Heater fan. Signal too low (B5254T2) |
| CEM-5F3E | Heater fan. Signal faulty (B5204T5) |
| CEM-5F3E | Heater fan. Signal faulty (B5234T3; B5244S) |
| CEM-5F3E | Heater fan. Signal faulty (B5254T2) |
| CEM-5F3F | Fuel pump. Signal too high (B5204T5) |
| CEM-5F3F | Fuel pump. Signal too high (B5234T3; B5244S) |
| CEM-5F3F | Fuel pump. Signal too high (B5254T2) |
| CEM-5F40 | Fuel pump. Signal too low (B5204T5) |
| CEM-5F40 | Fuel pump. Signal too low (B5234T3; B5244S) |
| CEM-5F40 | Fuel pump. Signal too low (B5254T2) |
| CEM-5F41 | Overheat thermostat. Signal too low (B5204T5) |
| CEM-5F41 | Overheat thermostat. Signal too low (B5234T3; B5244S) |
| CEM-5F42 | Power supply. Faulty (B5204T5) |
| CEM-5F42 | Power supply. Faulty (B5234T3; B5244S) |
| CEM-5F42 | Power supply. Faulty (B5254T2) |
| CEM-5F43 | Power supply. Missing (B5204T5) |
| CEM-5F43 | Power supply. Missing (B5234T3; B5244S) |
| CEM-5F43 | Power supply. Missing (B5254T2) |
| CEM-5F46 | Glow plug. Signal faulty (B5204T5) |
| CEM-5F46 | Glow plug. Signal faulty (B5234T3; B5244S) |
| CEM-5F46 | Glow plug. Signal faulty (B5254T2) |
| CEM-5F47 | Control unit power supply. Signal too high (B5204T5) |
| CEM-5F47 | Control unit power supply. Signal too high (B5234T3; B5244S) |
| CEM-5F47 | Control unit power supply. Signal too high (B5254T2) |
| CEM-5F4C | Undervoltage. Signal too low (B5204T5) |
| CEM-5F4C | Undervoltage. Signal too low (B5234T3; B5244S) |
| CEM-5F4C | Undervoltage. Signal too low (B5254T2) |
| CEM-5F4D | Diagnostic system. Too long (B5204T5) |
| CEM-5F4D | Diagnostic system. Too long (B5234T3; B5244S) |
| CEM-5F4D | Diagnostic system. Too long (B5254T2) |
| CEM-5F4F | Start attempt. Too many unsuccessful attempts (B5204T5; B5254T4) |
| CEM-5F4F | Start attempt. Too many unsuccessful attempts (B5234T3; B5244S) |
| CEM-5F4F | Start attempt. Too many unsuccessful attempts (B5254T2) |
| CEM-5F50 | Overheat thermostat. Signal too high (B5204T5) |
| CEM-5F50 | Overheat thermostat. Signal too high (B5234T3; B5244S) |
| CEM-5F50 | Overheat thermostat. Signal too high (B5254T2) |
| CEM-6A01 | Rear left door unlocked. Signal too high. Intermittent fault |
| CEM-6A01 | Rear left door unlocked. Signal too high. Permanent fault |
| CEM-6A02 | Rear right door unlocked. Signal too high. Intermittent fault |
| CEM-6A02 | Rear right door unlocked. Signal too high. Permanent fault |
| CEM-6A03 | Rear left door locked. Signal too low. Intermittent fault |
| CEM-6A03 | Rear left door locked. Signal too low. Permanent fault |
| CEM-6A04 | Rear right door locked. Signal too low. Intermittent fault |
| CEM-6A04 | Rear right door locked. Signal too low. Permanent fault |
| CEM-6C41 | Antenna/light ring wire clock-signal (ICK). Signal too high. Intermittent fault |
| CEM-6C41 | Antenna/light ring wire clock-signal (ICK). Signal too high. Permanent fault |
| CEM-6C42 | Antenna/light ring wire clock-signal (ICK). Signal too low. Intermittent fault |
| CEM-6C42 | Antenna/light ring wire clock-signal (ICK). Signal too low. Permanent fault |
| CEM-6C43 | Antenna/light ring data communication (IDS). Signal too high. Permanent fault |
| CEM-6C43 | Antenna/light ring wire data communication (IDS). Signal too high. Intermittent fault |
| CEM-6C44 | Antenna/light ring wire data communication (IDS). Signal too low. Intermittent fault |
| CEM-6C44 | Antenna/light ring wire data communication (IDS). Signal too low. Permanent fault |
| CEM-6C45 | Antenna/light ring. Communication fault |
| CEM-6C46 | Antenna/light ring. Internal fault. Intermittent fault |
| CEM-6C46 | Antenna/light ring. Internal fault. Permanent fault |
| CEM-6C48 | Transponder type. Faulty signal. Intermittent fault |
| CEM-6C48 | Transponder type. Faulty signal. Permanent fault |
| CEM-6C49 | Transponder communication. Faulty signal. Intermittent fault |
| CEM-6C49 | Transponder communication. Faulty signal. Permanent fault |
| CEM-6D01 | Relay, window lift LR up. Signal too high. Intermittent fault |
| CEM-6D01 | Relay, window lift LR up. Signal too high. Permanent fault |
| CEM-6D03 | Relay, window lift LR up. Signal too low. Intermittent fault |
| CEM-6D03 | Relay, window lift LR up. Signal too low. Permanent fault |
| CEM-6D04 | Relay, window lift LR down. Signal too high. Intermittent fault |
| CEM-6D04 | Relay, window lift LR down. Signal too high. Permanent fault |
| CEM-6D06 | Relay, window lift LR down Signal too low. Intermittent fault |
| CEM-6D06 | Relay, window lift LR down. Signal too low. Permanent fault |
| CEM-6D07 | Relay, window lift RR up. Signal too high. Intermittent fault |
| CEM-6D07 | Relay, window lift RR up. Signal too high. Permanent fault |
| CEM-6D09 | Relay, window lift RR up. Signal too low. Intermittent fault |
| CEM-6D09 | Relay, window lift RR up. Signal too low. Permanent fault |
| CEM-6D0A | Relay, window lift RR down. Signal too high. Intermittent fault |
| CEM-6D0A | Relay, window lift RR down. Signal too high. Permanent fault |
| CEM-6D0C | Relay, window lift RR down. Signal too low. Intermittent fault |
| CEM-6D0C | Relay, window lift RR down. Signal too low. Permanent fault |
| CEM-6D0D | Relay, child safety blocking. Signal too high. Intermittent fault |
| CEM-6D0D | Relay, child safety blocking. Signal too high. Permanent fault |
| CEM-6D0F | Relay, child safety blocking. Signal too low. Intermittent fault |
| CEM-6D0F | Relay, child safety blocking. Signal too low. Permanent fault |
| CEM-6F71 | Switch, fuel tank filler cover. Signal too low |
| CEM-8A01 | Invalid switch position for light switch. Signal faulty. Intermittent fault |
| CEM-8A01 | Invalid switch position for light switch. Signal faulty. Permanent fault |
| CEM-8A02 | Main beam relay. Signal too high. Intermittent fault |
| CEM-8A02 | Main beam relay. Signal too high. Permanent fault |
| CEM-8A04 | Main beam relay. Signal missing. Intermittent fault |
| CEM-8A04 | Main beam relay. Signal missing. Permanent fault |
| CEM-8A05 | Dipped headlamp relay. Signal too high. Intermittent fault |
| CEM-8A05 | Dipped headlamp relay. Signal too high. Permanent fault |
| CEM-8A07 | Dipped headlamp relay. Signal missing. Intermittent fault |
| CEM-8A07 | Dipped headlamp relay. Signal missing. Permanent fault |
| CEM-8A08 | Extra lamp relay. Signal too high. Intermittent fault |
| CEM-8A08 | Extra lamp relay. Signal too high. Permanent fault |
| CEM-8A0A | Extra lamp relay. Signal missing. Intermittent fault |
| CEM-8A0A | Extra lamp relay. Signal missing. Permanent fault |
| CEM-8A0B | Relay, daytime running lamp. Signal too high |
| CEM-8A0C | Relay, day running lamp. Signal missing |
| CEM-8B01 | Position lamp relay. Signal too high. Intermittent fault |
| CEM-8B01 | Position lamp relay. Signal too high. Permanent fault |
| CEM-8B03 | Position lamp relay. Signal missing. Intermittent fault |
| CEM-8B03 | Position lamp relay. Signal missing. Permanent fault |
| CEM-8C11 | Front fog lamp switch. Signal too low. Intermittent fault |
| CEM-8C11 | Front fog lamp switch. Signal too low. Permanent fault |
| CEM-8C12 | Rear fog lamp switch. Signal too low. Intermittent fault |
| CEM-8C12 | Rear fog lamp switch. Signal too low. Permanent fault |
| CEM-8C13 | Front fog lamp relay. Signal too high. Intermittent fault |
| CEM-8C13 | Front fog lamp relay. Signal too high. Permanent fault |
| CEM-8C15 | Front fog lamp relay. Signal missing. Intermittent fault |
| CEM-8C15 | Front fog lamp relay. Signal missing. Permanent fault |
| CEM-8D01 | Ignition lock light and extra brake light. Signal too low. Intermittent fault |
| CEM-8D01 | Ignition switch lighting and high-mounted stop lamp (LED). Signal too low |
| CEM-8D02 | Ignition switch lighting and high-mounted stop lamp (LED). signal too high / signal missing |
| CEM-8E01 | Reversing light. Signal too low. Intermittent fault |
| CEM-8E01 | Reversing light. Signal too low. Permanent fault |
| CEM-8F01 | Warning flasher and glovebox light. Signal too low. Intermittent fault |
| CEM-8F01 | Warning flasher and glovebox light. Signal too low. Permanent fault |
| CEM-8F02 | Left direction indicator. Signal too low. Intermittent fault |
| CEM-8F02 | Left direction indicator. Signal too low. Permanent fault |
| CEM-8F03 | Right direction indicator. Signal too low. Intermittent fault |
| CEM-8F03 | Right direction indicator. Signal too low. Permanent fault |
| CEM-8F11 | Light width control. Signal too high. Intermittent fault |
| CEM-8F11 | Light width control. Signal too high. Permanent fault |
| CEM-8F12 | Beam setting control. Signal too low. Intermittent fault |
| CEM-8F12 | Beam setting control. Signal too low. Permanent fault |
| CEM-8F13 | Light width control. Signal too high. Intermittent fault |
| CEM-8F13 | Light width control. Signal too high. Permanent fault |
| CEM-8F14 | Light width control. Signal too high. Intermittent fault |
| CEM-8F14 | Light width control. Signal too high. Permanent fault |
| CEM-8F15 | Xenon lamp left. Faulty signal |
| CEM-8F16 | Xenon lamp left. Signal too low |
| CEM-8F17 | Xenon lamp left. Faulty signal |
| CEM-8F18 | Xenon lamp left. Signal too high / Signal missing |
| CEM-8F19 | Xenon lamp right. Faulty signal |
| CEM-8F1A | Xenon lamp right. Signal too low |
| CEM-8F1B | Xenon lamp right Faulty signal |
| CEM-8F1C | Xenon lamp right. Signal too high / Signal missing |
| CEM-8F21 | Wipers. Signal too high/Signal missing. Intermittent fault |
| CEM-8F21 | Wipers. Signal too high/Signal missing. Permanent fault |
| CEM-8F22 | Wipers. Signal too low. Intermittent fault |
| CEM-8F22 | Wipers. Signal too low. Permanent fault |
| CEM-8F23 | Relay, windshield wiper. Signal too high. Intermittent fault |
| CEM-8F23 | Relay, windshield wiper. Signal too high. Permanent fault |
| CEM-8F25 | Relay, windshield wiper. Signal too low. Intermittent fault |
| CEM-8F25 | Relay, windshield wiper. Signal too low. Permanent fault |
| CEM-8F26 | Windshield wiper, high speed relay. Signal too high. Intermittent fault |
| CEM-8F26 | Windshield wiper, high speed relay. Signal too high. Permanent fault |
| CEM-8F28 | Windshield wiper, high speed relay. Signal missing. Intermittent fault |
| CEM-8F28 | Windshield wiper, high speed relay. Signal missing. Permanent fault |
| CEM-8F29 | Relay, front screen washer motor. Signal too high. Intermittent fault |
| CEM-8F29 | Relay, front screen washer motor. Signal too high. Permanent fault |
| CEM-8F2B | Windshield washer motor, relay. Signal missing. Intermittent fault |
| CEM-8F2B | Windshield washer motor, relay. Signal missing. Permanent fault |
| CEM-8F2C | Wipers. Signal too high. Intermittent fault |
| CEM-8F2C | Wipers. Signal too high. Permanent fault |
| CEM-8F2D | Wipers. Signal too low. Intermittent fault |
| CEM-8F2D | Wipers. Signal too low. Permanent fault |
| CEM-8F2E | Wipers. Signal too low. Intermittent fault |
| CEM-8F2E | Wipers. Signal too low. Permanent fault |
| CEM-8F41 | Tailgate washer motor relay. Signal too high. Intermittent fault |
| CEM-8F41 | Tailgate washer motor relay. Signal too high. Permanent fault |
| CEM-8F43 | Tailgate washer motor relay. Signal too low. Intermittent fault |
| CEM-8F43 | Tailgate washer motor relay. Signal too low. Permanent fault |
| CEM-8FA1 | Relay, horn. Signal too high. Intermittent fault |
| CEM-8FA1 | Relay, horn. Signal too high. Permanent fault |
| CEM-8FA3 | Relay, signal horn. No signal. Intermittent fault |
| CEM-8FA3 | Relay, signal horn. No signal. Permanent fault |
| CEM-9F24 | Rheostat. Signal too high. Intermittent fault |
| CEM-9F24 | Rheostat. Signal too high. Permanent fault |
| CEM-9F25 | Rheostat. Signal too low. Intermittent fault |
| CEM-9F25 | Rheostat. Signal too low. Permanent fault |
| CEM-DF03 | CAN-H, low speed network. Signal too high. Intermittent fault |
| CEM-DF03 | CAN-H, low speed network. Signal too high. Permanent fault |
| CEM-DF04 | CAN-L, low speed network. Signal too low. Intermittent fault |
| CEM-DF04 | CAN-L, low speed network. Signal too low. Permanent fault |
| CEM-DF05 | CAN-H, low speed network. Signal too low. Intermittent fault |
| CEM-DF05 | CAN-H, low speed network. Signal too low. Permanent fault |
| CEM-DF06 | CAN-L, low speed network. Signal too high. Intermittent fault |
| CEM-DF06 | CAN-L, low speed network. Signal too high. Permanent fault |
| CEM-DF13 | CAN-H, high-speed network. Signal too high. Intermittent fault |
| CEM-DF13 | CAN-H, high-speed network. Signal too high. Permanent fault |
| CEM-DF14 | CAN-L, high-speed network. Signal too low. Intermittent fault |
| CEM-DF14 | CAN-L, high-speed network. Signal too low. Permanent fault |
| CEM-DF15 | CAN-H, high-speed network. Signal too low. Intermittent fault |
| CEM-DF15 | CAN-H, high-speed network. Signal too low. Permanent fault |
| CEM-DF16 | CAN-L, high-speed network. Signal too high. Intermittent fault |
| CEM-DF16 | CAN-L, high-speed network. Signal too high. Permanent fault |
| CEM-E000 | Control module communication. Faulty communication |
| CEM-E001 | Control module communication. Faulty communication |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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