Error code
OBD2 P0653
OBD2P0653
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Sensor Reference Voltage 'B' Circuit High.
Severity
moderateCan drive but may experience performance issues or further electrical failures.
Summary
P0653 indicates that there is an issue with the sensor reference voltage B circuit being too high, typically related to wiring problems near the engine's power supplies.
Common Causes
- Wiring short to positive
Fixes
- Repair or replace faulty wiring.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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