Gate Select Position Circuit A Low
The gate select position circuit A reports a circuit a low fault. Selector gate position cannot be reliably measured.
Affected components
- Gate select position sensor a
- Wiring harness
- Tcm
Common causes
- High likelihood: Signal wire shorted to ground
- Medium likelihood: Internal sensor short
Possible symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.