OBD-II code · Powertrain (generic)
P0D49 Battery Charger 14 Volt Output Current Sensor Circuit Low
The ECM detects a low fault on the battery charger 14 volt output current sensor circuit. Reading cannot be used reliably for control.
Is it safe to drive with P0D49?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to ground
- PossibleInternal sensor short
- Less likelyConnector pins corroded - high contact resistance
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 Current Sensor, Wiring Harness, Bms
Related codes
- P0D46Battery Charger 14 Volt Output Voltage Sensor Circuit Intermittent/Erratic
- P0D47Battery Charger 14 Volt Output Current Sensor Circuit
- P0D48Battery Charger 14 Volt Output Current Sensor Circuit Range/Performance
- P0D4ABattery Charger 14 Volt Output Current Sensor Circuit High
- P0D4BBattery Charger 14 Volt Output Current Sensor Circuit Intermittent/Erratic
- P0D4CBattery Charger Hybrid/EV Battery Output Voltage Sensor Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.