P0B1D Possible Causes
- Defective hybrid battery
- Hybrid battery harness is open or short-circuited
- Poor electrical connection in the hybrid battery circuit
What Does It Mean?
How to Fix Code P0B1D
Check the “possible causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
P0B1D Possible Symptoms
Engine light on (or service engine soon warning light)
P0B1D Meaning
The Engine Control Module (ECM) monitors the hybrid battery voltage sensor C circuit. The ECM sets the OBDII code when the hybrid battery voltage sensor C circuit signal does not meet factory specifications.