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
Accessory Electronic Module (AEM) DTCS
ACCESSORY ELECTRONIC MODULE (AEM) DTC INDEX
| Volvo Code | Description |
|---|---|
| AEM-1A01 | Power supply. Signal too low. Intermittent fault |
| AEM-1A01 | Power supply. Signal too low. Permanent fault |
| AEM-1D01 | Control module. Internal fault. Intermittent fault |
| AEM-1D01 | Control module. Internal fault. Permanent fault |
| AEM-1D02 | Control module, software. Internal fault. Intermittent fault |
| AEM-1D02 | Control module, software. Internal fault. Permanent fault |
| AEM-1D03 | Control module not fully programmed. Internal fault. Intermittent fault |
| AEM-1D03 | Control module not fully programmed. Internal fault. Permanent fault |
| AEM-1D07 | Control module. Internal fault. Intermittent fault |
| AEM-1D07 | Control module. Internal fault. Permanent fault |
| AEM-1D08 | Control module. Internal fault. Intermittent fault |
| AEM-1D08 | Control module. Internal fault. Permanent fault |
| AEM-1D0A | Control module. Internal fault. Intermittent fault |
| AEM-1D0A | Control module. Internal fault. Permanent fault |
| AEM-4F60 | Back-up (reversing) warning system. Signal too low. Intermittent fault |
| AEM-4F60 | Back-up (reversing) warning system. Signal too low. Permanent fault |
| AEM-4F61 | Back-up (reversing) warning system. Signal too high. Intermittent fault |
| AEM-4F61 | Back-up (reversing) warning system. Signal too high. Permanent fault |
| AEM-4F62 | Back-up (reversing) warning system, buzzer. Signal too low. Intermittent fault |
| AEM-4F62 | Back-up (reversing) warning system, buzzer. Signal too low. Permanent fault |
| AEM-4F63 | Back-up (reversing) warning system, buzzer. Signal too high. Intermittent fault |
| AEM-4F63 | Back-up (reversing) warning system, buzzer. Signal too high. Permanent fault |
| AEM-5F10 | Relay, engine block heater. Signal too low. Intermittent fault |
| AEM-5F10 | Relay, engine block heater. Signal too low. Permanent fault |
| AEM-5F11 | Relay, engine block heater. Signal too high or Signal missing. Intermittent fault |
| AEM-5F11 | Relay, engine block heater. Signal too high or Signal missing. Permanent fault |
| AEM-5F20 | Remote start. Signal too low. Intermittent fault |
| AEM-5F20 | Remote start. Signal too low. Permanent fault |
| AEM-5F22 | Remote start. Signal too low. Intermittent fault |
| AEM-5F22 | Remote start. Signal too low. Permanent fault |
| AEM-5F23 | Remote start. Signal too high. Intermittent fault |
| AEM-5F23 | Remote start. Signal too high. Permanent fault |
| AEM-6C50 | Alarm output P0. Signal too low or signal missing. Intermittent fault |
| AEM-6C50 | Alarm output P0. Signal too low or signal missing. Permanent fault |
| AEM-6C51 | Alarm output P0. Signal too high. Intermittent fault |
| AEM-6C51 | Alarm output P0. Signal too high. Permanent fault |
| AEM-6C52 | Alarm output P1. Signal too low or signal missing. Intermittent fault |
| AEM-6C52 | Alarm output P1. Signal too low or signal missing. Permanent fault |
| AEM-6C53 | Alarm output P1. Signal too high. Intermittent fault |
| AEM-6C53 | Alarm output P1. Signal too high. Permanent fault |
| AEM-6C54 | Alarm output S0. Signal too low or signal missing. Intermittent fault |
| AEM-6C54 | Alarm output S0. Signal too low or signal missing. Permanent fault |
| AEM-6C55 | Alarm output S0. Signal too high. Intermittent fault |
| AEM-6C55 | Alarm output S0. Signal too high. Permanent fault |
| AEM-6C56 | Alarm output S1. Signal too low. Intermittent fault |
| AEM-6C56 | Alarm output S1. Signal too low. Permanent fault |
| AEM-6C57 | Alarm output S1. Signal too high or Signal missing. Intermittent fault |
| AEM-6C57 | Alarm output S1. Signal too high or Signal missing. Permanent fault |
| AEM-7A10 | Carphone mute signal. Signal too low. Intermittent fault |
| AEM-7A10 | Carphone mute signal. Signal too low. Permanent fault |
| AEM-7A11 | Carphone mute signal. Signal too high or Signal missing. Intermittent fault |
| AEM-7A11 | Carphone mute signal. Signal too high or Signal missing. Permanent fault |
| AEM-7A12 | Rheostat signal. Signal too low / high or signal missing. Intermittent fault |
| AEM-7A12 | Rheostat signal. Signal too low / high or signal missing. Permanent fault |
| AEM-7A14 | Speed signal. Signal too low / high or signal missing. Intermittent fault |
| AEM-7A14 | Speed signal. Signal too low / high or signal missing. Permanent fault |
| AEM-7A16 | Antenna amplifier. Signal too low. Intermittent fault |
| AEM-7A16 | Antenna amplifier. Signal too low. Permanent fault |
| AEM-7A17 | Antenna amplifier. Signal too high or Signal missing. Intermittent fault |
| AEM-7A17 | Antenna amplifier. Signal too high or Signal missing. Permanent fault |
| AEM-E001 | Control module communication. Faulty communication |
| AEM-E003 | Configuration fault. Faulty configuration |
| AEM-XXXX | Unknown diagnostic trouble code (DTC) for the current control module version |
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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