OBD-II code · Powertrain (generic)
P0D46 Battery Charger 14 Volt Output Voltage Sensor Circuit Intermittent/Erratic
The ECM detects a intermittent/erratic fault on the battery charger 14 volt output voltage sensor circuit. Reading cannot be used reliably for control.
Is it safe to drive with P0D46?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor connector not seated
- PossibleNoisy ground reference
- Less likelyConnector with intermittent contact under vibration
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Battery Charger 14v Output Voltage Sensor, Wiring Harness, Bms
Related codes
- P0D43Battery Charger 14 Volt Output Voltage Sensor Circuit Range/Performance
- P0D44Battery Charger 14 Volt Output Voltage Sensor Circuit Low
- P0D45Battery Charger 14 Volt Output Voltage Sensor Circuit High
- P0D47Battery Charger 14 Volt Output Current Sensor Circuit
- P0D48Battery Charger 14 Volt Output Current Sensor Circuit Range/Performance
- P0D49Battery Charger 14 Volt Output Current Sensor Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.