Error code
OBD2 P0821
OBD2P0821
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Gear Lever X Position Circuit.
Severity
moderateCan drive, but shifting may be affected and the Check Engine light will remain on.
Summary
P0821 indicates an issue with the gear lever X position sensor circuit, which is part of the transmission control system.
Common Causes
- Wiring issues
- Poor connection
- Faulty gear lever position sensor
- ECM/PCM or TCM malfunction
Fixes
FAQ
What does P0821 mean?
P0821 indicates a malfunction in the gear lever X position sensor circuit, which is part of the transmission control system.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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- P0807Clutch Position Sensor Circuit Low
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