OBD-II code · Network
U05A0 Invalid Data Received From Evaporative Emission System Leak Detection Control Module
A receiving module detected implausible data from the EVAP leak detection module. Tank-pressure or vacuum values fail plausibility checks and are rejected.
Is it safe to drive with U05A0?
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
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Evap Leak Detection Module
Related codes
- U059DInvalid Data Received From Drive Motor Control Module D
- U059EInvalid Data Received From NOx Sensor A
- U059FInvalid Data Received From NOx Sensor B
- U05A1NOx Sensor A Received Invalid Data From ECM/PCM
- U05A2NOx Sensor B Received Invalid Data From ECM/PCM
- U05A3Invalid Data Received From Reductant Quality Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.