2011 Volvo XC90 R-Design, 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
REM-4F47 Parking sensor 6. Faulty signal
REM-4F48 Parking sensor 7. Faulty signal
REM-4F49 Parking sensor 8. Faulty signal
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-6A07 Power child lock motor switch. Faulty signal
REM-6A08 Power child lock motor switch. Faulty signal
REM-6A09 Power child lock motor switch. Faulty signal
REM-6A0A Power child lock motor switch. 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-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-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
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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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