OBD-II code · Network
U0353 Software Incompatibility With Ion Sense Module
A module reports a software version mismatch with the ion sense module (used for misfire/knock detection via ionisation current at the spark plug) — 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 U0353?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
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
- Likely to fail
- Parts involved
- Ion Sense Module
Related codes
- U0350Software Incompatibility With Active Grille Air Shutter Module C
- U0351Software Incompatibility With Active Grille Air Shutter Module D
- U0352Software Incompatibility With NOx Sensor C
- U0354Software Incompatibility With Hybrid/EV Battery Inductive Charger Control Module
- U0400Invalid Data Received
- U0401Invalid Data Received from ECM/PCM
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.