OBD-II code · Powertrain (generic)
P0E5E Battery Charger Control Module A Processor Performance
The battery charger control module A processor reports a performance fault. Internal CPU watchdog or RAM check failed.
Is it safe to drive with P0E5E?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyCPU watchdog reset repeatedly
- PossibleRAM check failed
- Less likelyModule software outdated, reflash may resolve
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Battery Charger Cm A
Related codes
- P2D78Battery Charger Control Module B Processor Performance
- P0E5BDC/DC Converter Temperature Sensor C Circuit High
- P0E5CDC/DC Converter Temperature Sensor C Circuit Intermittent/Erratic
- P0E5DDC/DC Converter Enable Circuit Intermittent/Erratic
- P0E5FBattery Charger Coupler Temperature A Too High
- P0E60Battery Charge Mode Control Circuit Range/Performance
- P0E61Battery Charger A Enable Circuit/Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.