Network & communication
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Lights the check engine lamp
U05AB: Invalid Data Received From Engine Disconnect Clutch
Standardized SAE J2012 code · U05xx codes
What does U05AB mean?
A receiving module detected implausible data from the hybrid engine disconnect clutch actuator. Position or pressure values fail plausibility checks and are rejected.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
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
Common causes
- High Module internal fault or sensor input drift
- Medium Software version mismatch after replacement
- Low Gateway module routing CAN messages incorrectly
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of U05AB on the same make and model first.
U05AB in the community
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