P0A57 Possible Causes
- Drive motor B current sensor faulty
- Drive motor B current sensor harness open or shorted
- Poor electrical connection in drive motor B current sensor circuit
What Does It Mean?
How to Fix Code P0A57
Check the “possible causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
P0A57 Possible Symptoms
Malfunction Indicator Lamp (MIL) illuminated (or Service Engine Soon warning light)
P0A57 Meaning
The Engine Control Module (ECM) monitors the drive motor “B” current sensor. The ECM sets the OBDII code when the drive motor “B” current sensor does not meet factory specifications.