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.
2006 Volvo S80 AWDFACTORY OEM SERVICE PROCEDURE
Rear Electronic Module (Rem) DTCS
REAR ELECTRONIC MODULE (REM) - DTC INDEX
| DTC | Description |
|---|---|
| REM-1D01 | Control module. Internal fault |
| REM-1D02 | Control module. Internal fault |
| REM-1D03 | Control module, not fully programmed Internal fault |
| REM-1D07 | Control module. Internal fault |
| REM-1D08 | Control module. Internal fault |
| REM-1D0A | Control module. Internal fault |
| REM-1F8C | Trailer foglight driver, signal or temperature too high |
| REM-4A40 | Gas temperature sensor. Signal too high |
| REM-4A41 | Gas temperature sensor. Signal too low |
| REM-4A42 | Gas pressure sensor. Signal too high |
| REM-4A43 | Gas pressure sensor. Signal too low |
| REM-4A44 | Fuel level, gas. Faulty signal |
| REM-4A45 | Fuel level, gas. Signal too high |
| REM-4A46 | Fuel level, gas. Signal too low |
| REM-4A47 | Fuel level, gas. Signal too low |
| REM-4A48 | Fuel level, gas. Signal too high |
| REM-4F42 | Parking sensor 1. Faulty signal |
| REM-4F43 | Parking sensor 2. Faulty signal |
| REM-4F44 | Parking sensor 3. Faulty signal |
| REM-4F45 | Parking sensor 4. Faulty signal |
| REM-4F46 | Parking sensor 5. Faulty signal (L.H.D) |
| REM-4F47 | Parking sensor 6. Faulty signal (L.H.D) |
| REM-4F48 | Parking sensor 7. Faulty signal (L.H.D) |
| REM-4F49 | Parking sensor 8. Faulty signal (L.H.D) |
| REM-4F4A | Parking assistance module (PAM). Faulty signal |
| REM-6A01 | Switch, central locking motor. Signal too high |
| REM-6A02 | Switch central locking motor. Signal too high |
| REM-6A03 | Switch central locking motor. Signal too low |
| REM-6A04 | Switch central locking motor. Signal too low |
| REM-6A05 | Switch locking motor child-proof lock. Faulty signal |
| REM-6A06 | Switch locking motor child-proof lock. Faulty signal |
| REM-6A10 | Door switch. Signal too high |
| REM-6A11 | Door switch. Signal too high |
| REM-6A12 | Door switch. Signal too high |
| REM-6A13 | Door switch. Signal too high |
| REM-6A14 | Hood switch. Signal too high |
| REM-6A15 | Switch, tailgate. Signal too high |
| REM-6C11 | Tilt sensor. Signal too high |
| REM-6C12 | Tilt sensor. Signal too low |
| REM-6C15 | Tilt sensor. Communication fault |
| REM-6C16 | Tilt sensor. Internal fault |
| REM-6C17 | Glass break wire. Signal missing |
| REM-6C18 | Glass break wire. Signal too high |
| REM-6F51 | Tailgate handle. Signal too low |
| REM-7A20 | Subwoofer X-feed, signal or temperature too high |
| REM-8B01 | Parking lamps right. Signal too low |
| REM-8B11 | Parking lamps left. Signal too low |
| REM-8B21 | License plate lighting. Signal too low |
| REM-8B22 | Parking lamps. Signal too low |
| REM-8C21 | Rear fog lamp. Signal too low |
| REM-8D11 | High level stop lamp. Signal too low |
| REM-8D12 | High level stop lamp. Signal too high |
| REM-8D13 | Stop lamps (LED). Signal too low |
| REM-8D14 | Stop lamps (LED). Signal too high |
| REM-8F10 | Position sensor xenon lamp. Signal too high |
| REM-8F11 | Xenon lamp position sensor. Signal too low |
| REM-8F12 | Xenon lamp position sensor. Not calibrated |
| REM-8F13 | Position sensor xenon lamp. Calibration fault |
| REM-9F21 | Cargo compartment lighting. Signal too low |
| REM-DD00 | LIN communication. Communication fault |
| REM-DD01 | LIN communication. Communication fault |
| REM-DD02 | LIN communication. Communication fault |
| REM-DD10 | LIN communication. Communication fault |
| REM-DD20 | Level sensor alarm. Communication fault |
| REM-DD21 | Level sensor alarm. Faulty signal |
| REM-E001 | Control module communication. Defective communication |
| REM-E003 | Configuration fault. Faulty configuration |
| REM-E010 | Power supply control module. Signal too low |
| REM-XXXX | Unknown diagnostic trouble code (DTC) for the current control module version |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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