P0820moderate severityPowertrain
Gear Lever X-Y Position Sensor Circuit
on 1998 Toyota Tacoma 2.7L I4 · RWD
What this code means
The PCM detected a fault in the gear lever X-Y position sensor circuit used to determine shifter position. This affects accurate detection of the selected gear.
Symptoms
- Incorrect gear indication
- Shifting problems
- Warning light on
Common causes
- Faulty gear lever position sensor
- Damaged wiring or connector
- Corroded contacts
- Faulty PCM/TCM
Diagnostic steps
- Scan for related codes
- Test X-Y position sensor output
- Inspect wiring and connectors
- Verify PCM input readings
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