OBD-II code · Network
U044F Invalid Data Received From Mirror Control Module B
A receiving module detected implausible data from mirror control module B. Mirror position, fold/unfold state or heating values fail plausibility checks and are rejected.
Is it safe to drive with U044F?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyModule internal fault or sensor input drift
- PossibleSoftware version mismatch after replacement
- Less likelyGateway module routing CAN messages incorrectly
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Mirror Control Module B
Related codes
- U0514Invalid Data Received From Mirror Control Module A
- U044BInvalid Data Received From Battery Energy Control Module C
- U044CInvalid Data Received From Hybrid/EV Battery Inductive Charging Module
- U044DInvalid Data Received From Generator B Control Module
- U0451Invalid Data Received From Serial Data Gateway Module E
- U0452Invalid Data Received From Restraints Control Module
- U0453Invalid Data Received From Side Restraints Control Module — Left
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.