2008 Volvo V70FACTORY OEM SERVICE PROCEDURE

Trailer Module (TRM) DTCS

TRAILER MODULE (TRM) - DTC INDEX

DTC Description
TRM-B110262 Trailer stop lamp. Algorithm Based Failures. Signal compare failure
TRM-U001000 Medium Speed CAN Communication Bus. General Failure Information. No sub type information
TRM-U014000 Lost Communication With Central electronic module. General Failure Information. No sub type information
TRM-U030000 Internal Control Module Software Incompatibility. General Failure Information. No sub type information
TRM-U210000 Control Module Not Configured. General Failure Information. No sub type information
TRM-U210100 Control Module Configuration Incompatible. General Failure Information. No sub type information
TRM-U300042 Control Module. System Internal Failures. General memory failure
TRM-U300051 Control Module. System Programming Failures. Not programmed
TRM-U300362 Battery Voltage. Algorithm Based Failures. Signal compare failure
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:

  • 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.