OBD-II code · Network
U0598 Invalid Data Received From AC/DC Converter Control Module B
A receiving module detected implausible data from AC/DC converter (on-board charger) module B. Charging current/voltage or grid sync values fail plausibility checks and are rejected.
Is it safe to drive with U0598?
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
- 1–5 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- AC Dc Converter Module B
Related codes
- U0597Invalid Data Received From AC/DC Converter Control Module A
- U0595Invalid Data Received From Powertrain Control Monitor Module
- U0596Invalid Data Received From AC/AC Converter Control Module
- U0599Invalid Data Received From DC/DC Converter Control Module A
- U059AInvalid Data Received From DC/DC Converter Control Module B
- U059BInvalid Data Received From Hybrid/EV Battery Pack Sensor Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.