Most Common Volvo Codes
Frequently looked-up Volvo diagnostic trouble codes — start here if you don't know exactly which code to check.
- B10AE — Left front temperature damper motor, Mechanical faults, Commanded position unreachable (Volvo)
- U1127 — Interrupted communication with Exterior Sound Module (ESM), General fault information, No sub-type information (Volvo)
- B1206 — Crash occured, General fault information, No sub-type information (Volvo)
- U1A25 — MOST ring completed, Signal missing, General fault information, No sub-type information (Volvo)
- B1A69 — Humidity sensor, Component faults, Component internal fault Unconfirmed (Volvo)
- B1A03 — Speaker 3, General electrical faults, Circuit short to ground Unconfirmed (Volvo)
- B1A04 — Speaker 4, General electrical faults, Circuit short to ground Unconfirmed (Volvo)
- U2E04 — ECU supply voltage too low, Algorithm based faults, Event information (Volvo)
Diagnostic Guides for Volvo Owners
Free step-by-step guides written to professional diagnostic standards.