B1342Medium severity
ECU Is Defective
An internal fault was detected within a body control electronic control unit.
Common causes
- Internal ECU failure
- Water damage
- Power/ground supply problems
Possible symptoms
- Body electrical features not working
- Warning lights
Code breakdown
B — System
Body (interior, comfort, safety systems)
1 — Type
Manufacturer-specific
3 — Subsystem
Ignition system or misfire