Transmission Range Display Circuit
General electrical fault on the transmission range display circuit — drives the PRNDL indicator on the dashboard. With the input invalid the indicator may show the wrong gear range or stay blank.
Affected components
- Prndl display
- Wiring harness
Common causes
- High likelihood: Open or shorted display wire
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
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.