Network
generic / SAE
U0297
Lost Communication with Hybrid Powertrain Control Module
The hybrid CAN has lost the hybrid powertrain control module. Hybrid operation is disabled and the vehicle defaults to combustion-only mode if available.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number2 / 97
Possible causes
- Hybrid module unpowered high
- Gateway module routing CAN messages incorrectly low
- CAN terminating resistor (120 Ω) drifted out of spec 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: 200–3000 €
- Estimated time: 1–8 h
- Component: hybrid powertrain module
- Component: hv can wiring
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012