Error code
OBD2 P0852
OBD2P0852
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Park/Neutral Switch Input Circuit High.
Severity
moderateCan drive, but shifting issues may occur.
Summary
P0852 indicates that the Park/Neutral switch input circuit is experiencing an abnormally high voltage, likely due to wiring issues or problems with the switch itself. This issue affects the transmission control module (TCM).
Common Causes
- Wiring short to positive
- Faulty Park/Neutral position (PNP) switch
- Transmission Control Module (TCM) failure
Fixes
- Repair or replace faulty wiring and/or the Park/Neutral position switch.
FAQ
What does P0852 mean?
P0852 indicates a high voltage issue in the circuit that detects whether your car is in park or neutral.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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