OBD-II code · Network
U0333 Software Incompatibility With Gear Shift Control Module B
A module reports a software version mismatch with gear shift control module B — typically after replacing one of the modules without programming the new unit to match the rest of the network.
Is it safe to drive with U0333?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyModule replaced without programming
- PossibleWrong part number for the vehicle
- 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
- Usually unaffected
- Parts involved
- Gear Shift Module B
Related codes
- U0330Software Incompatibility With Tire Pressure Monitor Module
- U0331Software Incompatibility With Body Control Module A
- U0332Software Incompatibility With Multi-axis Acceleration Sensor Module A
- U0334Software Incompatibility With Radio
- U0335Software Incompatibility With Hybrid/EV Battery Pack Sensor Module
- U0336Software Incompatibility With Restraints Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.