P0DA2
Battery Charger A Coupler Lock Position Sensor Circuit Intermittent/Erratic
The ECM detects a intermittent/erratic fault on the battery charger a coupler lock position sensor circuit. Reading cannot be used reliably for control.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Common causes
Ordered by how often each turns out to be the cause.
- Sensor connector not seatedCommon
- Noisy ground referencePossible
- Connector with intermittent contact under vibrationLess likely
Parts involved
- Battery Charger A Coupler Lock Pos Sensor
- Wiring Harness
- Bms
P0DA2 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.