OBD-II code · Network
U0468 Invalid Data Received From Fuel Cell Control Module
A receiving module detected implausible data from the fuel cell control module (FCEV stack manager). Stack voltage, current or hydrogen flow values fail plausibility checks and are rejected.
Is it safe to drive with U0468?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
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
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–8 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Fuel Cell Module
Related codes
- U0465Invalid Data Received From PTO Control Module
- U0466Invalid Data Received From HVAC Control Module — Rear
- U0467Invalid Data Received From Fuel Additive Control Module
- U0469Invalid Data Received From Starter / Generator Control Module
- U046AInvalid Data Received From Sunroof Control Module
- U046BInvalid Data Received From Global Positioning System Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.