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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 16 (ON-BOARD DIAGNOSTIC (ENGINE CONTROL SYSTEM L3) (1 OF 5))DTC TABLE [L3]
2008 Mazda 6 s Sport, 4D Hatchback, Standard
DTC Table [L3]
2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION DTC Table [L3]
WARNING: This page is about a different variant/trim than selected.
DTC REFERENCE [L3]
| x: Applicable -: Not applicable |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DTC No. | Condition | MIL | DC | Monitor item | Self-test type(1) | Memory function | ||||||||||||
| B1213 | Number of valid keys is below minimum. | (See DTC TABLE [IMMOBILIZER SYSTEM] ). | ||||||||||||||||
| DTC B1342 | PCM is defective. | OFF | - | - | C, O | x | ||||||||||||
| B1600 | ID number signal is not received. | (See DTC TABLE [L3] ). | ||||||||||||||||
| B1601 | PCM received incorrect ID number from key (transponder). | (See DTC TABLE [L3] ). | ||||||||||||||||
| B1602 | PCM received invalid format of ID number from transponder | (See DTC TABLE [L3] ). | ||||||||||||||||
| B1681 | Coil signal is not received. | (See DTC TABLE [L3] ). | ||||||||||||||||
| B2103 | Coil failure. | (See DTC TABLE [L3] ). | ||||||||||||||||
| B2431 | Transponder programming failure. | (See DTC TABLE [L3] ). | ||||||||||||||||
| DTC P0011 | CMP Timing over-advanced | ON | 1 | CCM | C, R | x | ||||||||||||
| DTC P0012 | CMP Timing over-retarded | ON | 2 | CCM | C, R | x | ||||||||||||
| DTC P0016 | CKP-CMP correlation | ON | 2 | CCM | C | x | ||||||||||||
| DTC P0030 | Front HO2S heater control circuit problem | ON | 2 | HO2S heater | C, O, R | x | ||||||||||||
| DTC P0031 | Front HO2S heater circuit low input | ON | 2 | HO2S heater | C, O, R | x | ||||||||||||
| DTC P0032 | Front HO2S heater circuit high input | ON | 2 | HO2S heater | C, O, R | x | ||||||||||||
| DTC P0037 | Middle(2)/Rear(3) HO2S heater circuit low input | ON | 2 | HO2S heater | C, O, R | x | ||||||||||||
| DTC P0038 | Middle(2)/Rear(3) HO2S heater circuit high input | ON | 2 | HO2S heater | C, O, R | x | ||||||||||||
| DTC P0043(2) | Rear HO2S heater circuit low input | ON | 2 | HO2S heater | C, O, R | x | ||||||||||||
| DTC P0044(2) | Rear HO2S heater circuit high input | ON | 2 | HO2S heater | C, O, R | x | ||||||||||||
| DTC P0069 | MAF circuit range/performance problem | ON | 2 | CCM | C | x | ||||||||||||
| DTC P0101 | Manifold absolute pressure/atmospheric pressure correlation | ON | 2 | CCM | C | x | ||||||||||||
| DTC P0102 | MAF circuit low input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0103 | MAF circuit high input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0107 | MAP sensor circuit low input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0108 | MAP sensor circuit high input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0111 | IAT circuit performance problem | ON | 2 | CCM | C | x | ||||||||||||
| DTC P0112 | IAT circuit low input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0113 | IAT circuit high input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0116 | Engine coolant temperature circuit range/performance | ON | 2 | Engine cooling system | C | x | ||||||||||||
| DTC P0117 | ECT circuit low input | ON | 1 | Engine cooling system | C, O, R | x | ||||||||||||
| DTC P0118 | ECT circuit high input | ON | 1 | Engine cooling system | C, O, R | x | ||||||||||||
| DTC P0122 | TP sensor No. 1 circuit low input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0123 | TP sensor No. 1 circuit high input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0125 | Excessive time to enter closed loop fuel control | ON | 2 | Engine cooling system | C | x | ||||||||||||
| DTC P0126 | Coolant thermostat stuck open | ON | 2 | Engine cooling system | C | x | ||||||||||||
| DTC P0128 | Coolant thermostat stuck open | ON | 2 | Engine cooling system | C | x | ||||||||||||
| DTC P0130(2) | Front HO2S circuit problem | ON | 2 | HO2S | C, O, R | x | ||||||||||||
| DTC P0131 | Front HO2S circuit low input | ON | 2 | HO2S | C, O, R | x | ||||||||||||
| DTC P0132 | Front HO2S circuit high input | ON | 2 | HO2S | C, O, R | x | ||||||||||||
| DTC P0133 | Front HO2S circuit problem | ON | 2 | HO2S | C | x | ||||||||||||
| DTC P0134 | Front HO2S circuit no activity detected | ON | 2 | HO2S | C, R | x | ||||||||||||
| DTC P0137(3) | Rear HO2S circuit low input | ON | 2 | HO2S | C, O, R | x | ||||||||||||
| DTC P0138 | Middle(2)/Rear(3) HO2S circuit high input | ON | 2 | HO2S | C, O, R | x | ||||||||||||
| DTC P0139 | Middle(1)/Rear(2) HO2S circuit malfunction | ON | 2 | HO2S | C | x | ||||||||||||
| DTC P0140(3) | Rear HO2S circuit no activity detected | ON | 2 | HO2S | C, R | x | ||||||||||||
| DTC P0144(2) | Rear HO2S circuit high input | ON | 2 | HO2S | C, O, R | x | ||||||||||||
| DTC P0171(2) | Fuel trim system too lean | ON | 2 | Fuel system | C, R | x | ||||||||||||
| DTC P0172(2) | Fuel trim system too rich | ON | 2 | Fuel system | C, R | x | ||||||||||||
| DTC P0222 | TP sensor No. 2 circuit low input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0223 | TP sensor No. 2 circuit high input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0300 | Random misfire detected | Flash / ON | 1 or 2 | Misfire | C, R | x | ||||||||||||
| DTC P0301 | Cylinder No. 1 misfire detected | Flash / ON | 1 or 2 | Misfire | C, R | x | ||||||||||||
| DTC P0302 | Cylinder No. 2 misfire detected | Flash / ON | 1 or 2 | Misfire | C, R | x | ||||||||||||
| DTC P0303 | Cylinder No. 3 misfire detected | Flash / ON | 1 or 2 | Misfire | C, R | x | ||||||||||||
| DTC P0304 | Cylinder No. 4 misfire detected | Flash / ON | 1 or 2 | Misfire | C, R | x | ||||||||||||
| DTC P0327 | Knock sensor circuit low input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0328 | Knock sensor circuit high input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0335 | CKP sensor circuit malfunction | ON | 1 | CCM | C | x | ||||||||||||
| DTC P0340 | CMP sensor circuit malfunction | ON | 1 | CCM | C | x | ||||||||||||
| DTC P0401 | EGR flow insufficient detected | ON | 2 | EGR | C, R | x | ||||||||||||
| DTC P0403 | EGR valve (stepper motor) circuit malfunction | ON | 2 | CCM | C, O, R | x | ||||||||||||
| DTC P0420(3) | Catalyst system efficiency below threshold | ON | 2 | Catalyst | C | x | ||||||||||||
| DTC P0421(2) | Catalyst system efficiency below threshold | ON | 2 | Catalyst | C | x | ||||||||||||
| DTC P0441 | EVAP control system incorrect purge flow | ON | 2 | EVAP system monitor | C, R | x | ||||||||||||
| DTC P0442 | EVAP control system leak detected (small leak) | ON | 2 | EVAP system monitor | C, R | x | ||||||||||||
| DTC P0443 | EVAP control system purge control valve circuit malfunction | ON | 2 | CCM | C, O, R | x | ||||||||||||
| DTC P0446 | Change over valve (COV) (EVAP system leak detection pump) stuck close | ON | 2 | CCM | C, R | x | ||||||||||||
| DTC P0455 | EVAP control system leak detected (gross leak) | ON | 2 | EVAP system monitor | C, R | x | ||||||||||||
| DTC P0456(4) | EVAP control system leak detected (very small leak) | ON | 2 | EVAP system monitor | C, R | x | ||||||||||||
| DTC P0461 | Fuel gauge sender unit circuit range/performance | ON | 2 | CCM | C | x | ||||||||||||
| DTC P0462 | Fuel gauge sender unit circuit low input | ON | 2 | CCM | C, O, R | x | ||||||||||||
| DTC P0463 | Fuel gauge sender unit circuit high input | ON | 2 | CCM | C, O, R | x | ||||||||||||
| DTC P0480 | Fan relay No. 1 control circuit malfunction | OFF | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0481 | Fan relay No. 2 and No. 3 control circuit malfunction | OFF | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0482 | Fan relay No. 4 control circuit malfunction | OFF | 1 | Other | C, O, R | x | ||||||||||||
| DTC P0500 | Vehicle speed sensor (VSS) circuit malfunction | ON | 2 | CCM | C | x | ||||||||||||
| DTC P0505 | Idle control system malfunction | OFF | - | - | R | - | ||||||||||||
| DTC P0506 | Idle control system RPM lower than expected | ON | 2 | CCM | C | x | ||||||||||||
| DTC P0507 | Idle control system RPM higher than expected | ON | 2 | CCM | C | x | ||||||||||||
| DTC P050A | Cold start idle air control system performance | ON | 2 | Cold start emission reduction strategy monitoring | C, R | x | ||||||||||||
| DTC P050B | Cold start ignition timing notice | ON | 2 | Cold start emission reduction strategy monitoring | C, R | x | ||||||||||||
| DTC P0550 | PSP switch circuit malfunction | ON | 2 | CCM | C | x | ||||||||||||
| DTC P0564 | Cruise control switch circuit malfunction | OFF | 1 | Other | C | x | ||||||||||||
| DTC P0571 | Brake switch circuit malfunction | OFF | 1 | Other | C | x | ||||||||||||
| DTC P0601 | Internal control module memory check sum error | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0602 | PCM programming error | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0604 | PCM RAM error | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0606 | PCM processor | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0607(3) | Control module performance | OFF | 1 | Other | C, O, R | x | ||||||||||||
| DTC P0610 | Control module vehicle options error | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P0638 | Throttle actuator control range/performance | ON | 1 | CCM | C | x | ||||||||||||
| DTC P0661 | Variable intake air solenoid valve circuit low input | OFF | 1 | Other | C, O, R | x | ||||||||||||
| DTC P0662 | Variable intake-air system solenoid valve circuit high input | OFF | 1 | Other | C, O, R | x | ||||||||||||
| DTC P0703 | Brake switch No. 1 circuit malfunction | ON | 2 | CCM | C | x | ||||||||||||
| DTC P0704(5) | Clutch switch circuit malfunction | ON | 2 | CCM | C | x | ||||||||||||
| DTC P0850(5) | Neutral switch circuit malfunction | ON | 2 | CCM | C | x | ||||||||||||
| DTC P2004 | Variable tumble shutter valve stuck open | ON | 2 | CCM | C, R | x | ||||||||||||
| DTC P2006 | Variable tumble shutter valve stuck closed | ON | 2 | CCM | C, R | x | ||||||||||||
| DTC P2009 | Variable tumble solenoid valve circuit low input | ON | 2 | CCM | C, O, R | x | ||||||||||||
| DTC P2010 | Variable tumble solenoid valve circuit high input | ON | 2 | CCM | C, O, R | x | ||||||||||||
| DTC P2088 | OCV actuator circuit low | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P2089 | OCV actuator circuit high | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P2096 | Target A/F feedback system too lean | ON | 2 | Fuel system | C | x | ||||||||||||
| DTC P2097 | Target A/F feedback system too rich | ON | 2 | Fuel system | C | x | ||||||||||||
| DTC P2100(3) | Throttle actuator circuit open | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P2101 | Throttle actuator circuit range/performance | ON | 1 | CCM | C, R | x | ||||||||||||
| DTC P2102(3) | Throttle actuator circuit low input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P2103(3) | Throttle actuator circuit high input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P2107 | Throttle actuator control module processor problem | ON | 1 | CCM | C, R | x | ||||||||||||
| DTC P2108 | Throttle actuator control module performance problem | ON | 1 | CCM | C, R | x | ||||||||||||
| DTC P2109(2) | TP sensor minimum stop range/performance problem | ON | 1 | CCM | C, R | x | ||||||||||||
| DTC P2112(2) | Throttle actuator control system range/performance problem | ON | 1 | CCM | C, R | x | ||||||||||||
| DTC P2119 | Throttle actuator control throttle body range/performance | ON | 2 | CCM | C, R | x | ||||||||||||
| DTC P2122 | Accelerator pedal position (APP) sensor No. 1 circuit low input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P2123 | Accelerator pedal position (APP) sensor No. 1 circuit high input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P2127 | Accelerator pedal position (APP) sensor No. 2 circuit low input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P2128 | Accelerator pedal position (APP) sensor No. 2 circuit high input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P2135 | Throttle position sensor No. 1/No. 2 voltage correlation problem | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P2138 | Accelerator pedal position (APP) sensor No. 1/No. 2 voltage correlation problem | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P2177(3) | Fuel system too lean at off idle | ON | 2 | Fuel system | C, R | x | ||||||||||||
| DTC P2178(3) | Fuel system too rich at off idle | ON | 2 | Fuel system | C, R | x | ||||||||||||
| DTC P2187(3) | Fuel system too lean at idle | ON | 2 | Fuel system | C, R | x | ||||||||||||
| DTC P2188(3) | Fuel system too rich at idle | ON | 2 | Fuel system | C, R | x | ||||||||||||
| DTC P2195 | Front HO2S signal stuck lean | ON | 2 | HO2S | C | x | ||||||||||||
| DTC P2196 | Front HO2S signal stuck rich | ON | 2 | HO2S | C | x | ||||||||||||
| DTC P2228 | BARO sensor circuit low input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P2229 | BARO sensor circuit high input | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P2237(3) | Front HO2S positive current control circuit open | ON | 2 | HO2S | C, O, R | x | ||||||||||||
| DTC P2251(3) | Front HO2S negative current control circuit open | ON | 2 | HO2S | C, O, R | x | ||||||||||||
| DTC P2270(2) | Middle HO2S signal stuck lean | ON | 2 | HO2S | C | x | ||||||||||||
| DTC P2271(2) | Middle HO2S signal stuck rich | ON | 2 | HO2S | C | x | ||||||||||||
| DTC P2274(2) | Rear HO2S signal stuck lean | ON | 2 | HO2S | C | x | ||||||||||||
| DTC P2275(2) | Rear HO2S signal stuck rich | ON | 2 | HO2S | C | x | ||||||||||||
| DTC P2401 | EVAP system leak detection pump motor circuit low | ON | 2 | CCM | C, R | x | ||||||||||||
| DTC P2402 | EVAP system leak detection pump motor circuit high | ON | 2 | CCM | C, R | x | ||||||||||||
| DTC P2404 | EVAP system leak detection pump sensor circuit malfunction | ON | 2 | CCM | C, R | x | ||||||||||||
| DTC P2405 | EVAP system leak detection pump sensor circuit low input | ON | 2 | CCM | C, R | x | ||||||||||||
| DTC P2502 | Generator terminal B circuit open | OFF | 1 | - | C, R | x | ||||||||||||
| DTC P2503 | Generator output voltage signal no electricity | OFF | 1 | Other | C, R | x | ||||||||||||
| DTC P2504 | Battery overcharge | OFF | 1 | Other | C, R | x | ||||||||||||
| DTC P2507 | PCM +BB (back-up battery) voltage low | ON | 1 | CCM | C, O, R | x | ||||||||||||
| DTC P2610 | PCM internal engine off timer performance | ON | 2 | CCM | C | x | ||||||||||||
| U0073 | CAN system communication error | (See DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM (L3, AJ)] ). | ||||||||||||||||
| U0101(6) | Communication error to TCM | (See DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM (L3, AJ)] ). | ||||||||||||||||
| U0121 | Communication error to ABS HU/CM | (See DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM (L3, AJ)] ). | ||||||||||||||||
| U0155 | Communication error to instrument cluster | (See DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM (L3, AJ)] ). | ||||||||||||||||
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RENDER: 1.0x
NO RELATED
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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.