P1874
Transfer Case Hall Effect Sensor Power Circuit Failure
P1874 is an OBD-II diagnostic trouble code meaning: Transfer Case Hall Effect Sensor Power Circuit Failure. Common causes: malfunction of the hall sensor of the transfer case, open or short circuit in the sensor power supply circuit. Estimated repair cost: $28–89.
Symptoms
- Check Engine Light Is On
- Problems with switching all-wheel drive modes
- The car may go into emergency mode
- Unstable operation of the transfer case
- Errors in the operation of the all-wheel drive system
Causes
- Malfunction of the Hall sensor of the transfer case
- Open or short circuit in the sensor power supply circuit
- Poor contact in sensor connectors
- Problems with the sensor circuit fuse
- Transfer case control unit malfunction
How to Fix
- Check sensor circuit fuse
- Inspect the sensor wiring and connectors for damage
- Check the supply voltage at the sensor
- Test the Hall sensor with a multimeter
- If necessary, replace the Hall sensor
Related codes
Error P1874 by Vehicle Brand
FAQ
What does the P1874 code mean?
P1874 is an OBD-II diagnostic trouble code that indicates: Transfer Case Hall Effect Sensor Power Circuit Failure
What causes a P1874 error code?
The most common causes of P1874 include: Malfunction of the Hall sensor of the transfer case; Open or short circuit in the sensor power supply circuit; Poor contact in sensor connectors; Problems with the sensor circuit fuse.
How do I fix a P1874 diagnostic trouble code?
To fix P1874: Check sensor circuit fuse. Inspect the sensor wiring and connectors for damage. Check the supply voltage at the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1874?
Limited driving only, diagnose soon
How much does it cost to fix P1874?
The estimated repair cost for P1874 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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