P0800
Transfer Case Control System (MIL Request)
P0800 is an OBD-II diagnostic trouble code meaning: Transfer Case Control System (MIL Request). Common causes: transfer case solenoid valve malfunction, problems with the wiring harness or connectors. Estimated repair cost: $17–111.
Symptoms
- Check Engine Light Is On
- Problems with switching all-wheel drive modes
- The car can only remain in one drive mode
- Unusual noises from the transfer case area
- Reduced dynamic characteristics of the vehicle
Causes
- Transfer case solenoid valve malfunction
- Problems with the wiring harness or connectors
- Transfer case position sensor malfunction
- Mechanical damage to the transfer case
- Low transmission fluid level
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose electrical circuits and connectors of the system
- Check the operation of the solenoid valves
- Test transfer case position sensors
- If necessary, replace faulty components
Related codes
Error P0800 by Vehicle Brand
FAQ
What does the P0800 code mean?
P0800 is an OBD-II diagnostic trouble code that indicates: Transfer Case Control System (MIL Request)
What causes a P0800 error code?
The most common causes of P0800 include: Transfer case solenoid valve malfunction; Problems with the wiring harness or connectors; Transfer case position sensor malfunction; Mechanical damage to the transfer case.
How do I fix a P0800 diagnostic trouble code?
To fix P0800: Check the level and condition of the transmission fluid. Diagnose electrical circuits and connectors of the system. Check the operation of the solenoid valves. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0800?
Limited driving only, diagnose soon
How much does it cost to fix P0800?
The estimated repair cost for P0800 is $17–111. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat