P0918
PowertrainTransmission Shiftmoderate severityGear Shift Position Circuit Intermittent
What P0918 Means
An intermittent fault is present in the gear shift position sensor circuit. The signal drops out occasionally, causing sporadic shifting problems.
Symptoms
- Intermittent shift issues
- Transmission light flickers
- Occasional limp mode
Common Causes
- Loose or corroded connector
- Chafed or intermittent wiring
- Faulty gear shift position sensor
- Failed transmission control module
Diagnostic Steps
- Retrieve trouble codes
- Wiggle test wiring and connectors while monitoring signal
- Inspect connectors for corrosion or looseness
- Replace sensor if signal drops intermittently
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