OBD Codes List

Diagnostic reference · P08A5

P08A5

Gear Lever Y Position Sensor 1/2 Correlation

System
Transmission (P code)
Lamp
Check Engine Light
Category
Powertrain - Transmission

What it means

P08A5 means Gear Lever Y Position Sensor 1/2 Correlation.

Where it lives

For P08A5, the description names the sensor as the part involved.

Check these first

  • A gear lever Y position sensor 1 out of range
  • A gear lever Y position sensor 2 out of range
  • A connector fault on either Y sensor
  • A shared sensor ground with high resistance
  • A TCM fault skewing the correlation

What to do next

  1. Read both gear lever Y position sensors on a scan tool
  2. Compare sensor 1 and sensor 2 through the lever range
  3. Check the shared sensor ground
  4. Test both sensor connectors and wiring
  5. Replace the sensor that disagrees
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.