Network
generic / SAE
U0594
Invalid Data Received From Hybrid/EV Powertrain Control Module
A receiving module detected implausible data from the hybrid/EV powertrain control module (master coordinator for engine + motor + battery). Torque request or mode-state values fail plausibility checks and are rejected.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number5 / 94
Possible causes
- Module internal fault or sensor input drift high
- Software version mismatch after replacement medium
- Gateway module routing CAN messages incorrectly low
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
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 400–3500 €
- Estimated time: 1–6 h
- Component: hev ev powertrain module
- MIL / check engine light
- drive cycle required
- limp mode possible
Sources
References
sae:J2012