Error code

OBD2 P0A28

OBD2P0A28
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Battery Power Off Circuit Low.

Severity

moderateCan drive but may experience issues with the hybrid battery system.

Summary

P0A28 indicates a low voltage issue in the hybrid battery power off circuit, which is related to the hybrid battery system.

Common Causes

  • Loose or corroded connectors
  • Faulty hybrid battery control module

Fixes

FAQ

What does P0A28 mean?

P0A28 indicates a low voltage issue in the hybrid battery power off circuit, which is related to the hybrid battery system.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.