P183F
Internal Mode Switch 1-2 Correlation
P183F is an OBD-II diagnostic trouble code meaning: Internal Mode Switch 1-2 Correlation. Common causes: malfunction of the internal mode switch, problems with the wiring harness to the switch. Estimated repair cost: $28–133.
Symptoms
- Incorrect gear shifting
- The gearbox goes into emergency mode
- Check Engine light comes on
- Discrepancy between the selector position and the actual gear
- Problems starting the engine (in some models)
Causes
- Malfunction of the internal mode switch
- Problems with the wiring harness to the switch
- Poor contact in connectors
- Mechanical wear on the switch
- Transmission control module (TCM) malfunction
How to Fix
- Check the condition of the wiring harness and connectors
- Test the operation of the internal mode switch
- Check switch resistance
- Replace the faulty switch if necessary
- Flash or replace the TCM if it is faulty
Related codes
FAQ
What does the P183F code mean?
P183F is an OBD-II diagnostic trouble code that indicates: Internal Mode Switch 1-2 Correlation
What causes a P183F error code?
The most common causes of P183F include: Malfunction of the internal mode switch; Problems with the wiring harness to the switch; Poor contact in connectors; Mechanical wear on the switch.
How do I fix a P183F diagnostic trouble code?
To fix P183F: Check the condition of the wiring harness and connectors. Test the operation of the internal mode switch. Check switch resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P183F?
Limited driving only, diagnose soon
How much does it cost to fix P183F?
The estimated repair cost for P183F is $28–133. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat