Powertrain
generic / SAE
P0814
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.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number8 / 14
Possible causes
- Open or shorted display wire high
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
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 60–300 €
- Estimated time: 0.3–1.5 h
- Component: prndl display
- Component: wiring harness
Sources
References
sae:J2012