P1918
Transmission Range Display Circuit Malfunction
P1918 is an OBD-II diagnostic trouble code meaning: Transmission Range Display Circuit Malfunction. Common causes: gear selector position sensor malfunction, open or short circuit in the circuit. Estimated repair cost: $17–89.
Symptoms
- Incorrect display of gear selector position on the instrument panel
- Transmission indicator flashing
- Difficulty shifting gears
- Check Engine Light Is On
- The gearbox may go into emergency mode
Causes
- Gear selector position sensor malfunction
- Open or short circuit in the circuit
- Poor contact in connectors
- Transmission control module (TCM) malfunction
- Problems with the instrument panel
How to Fix
- Check the condition of the gear selector position sensor
- Check the integrity of the wiring and connectors in the circuit
- Scan the transmission control module for other errors
- If necessary, replace the position sensor
- Reflash or replace the TCM if it is faulty
Related codes
FAQ
What does the P1918 code mean?
P1918 is an OBD-II diagnostic trouble code that indicates: Transmission Range Display Circuit Malfunction
What causes a P1918 error code?
The most common causes of P1918 include: Gear selector position sensor malfunction; Open or short circuit in the circuit; Poor contact in connectors; Transmission control module (TCM) malfunction.
How do I fix a P1918 diagnostic trouble code?
To fix P1918: Check the condition of the gear selector position sensor. Check the integrity of the wiring and connectors in the circuit. Scan the transmission control module for other errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1918?
Limited driving only, diagnose soon
How much does it cost to fix P1918?
The estimated repair cost for P1918 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat