P1828
Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure
P1828 is an OBD-II diagnostic trouble code meaning: Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure. Common causes: faulty switch relay, open or short circuit in the relay circuit. Estimated repair cost: $17–56.
Symptoms
- Check Engine Light Is On
- Problems with switching all-wheel drive modes
- Transfer case does not shift to counterclockwise mode
- Reduced vehicle dynamics
- Possible noises from the transfer case
Causes
- Faulty switch relay
- Open or short circuit in the relay circuit
- Wiring Harness Problems
- Transmission control module (TCM) malfunction
- Corrosion of relay contacts
How to Fix
- Check the condition of the switching relay
- Check the integrity of the circuit and wiring harness
- Check relay contacts for corrosion
- Replace the faulty relay if necessary
- Check the operation of the transmission control unit
Related codes
Error P1828 by Vehicle Brand
FAQ
What does the P1828 code mean?
P1828 is an OBD-II diagnostic trouble code that indicates: Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure
What causes a P1828 error code?
The most common causes of P1828 include: Faulty switch relay; Open or short circuit in the relay circuit; Wiring Harness Problems; Transmission control module (TCM) malfunction.
How do I fix a P1828 diagnostic trouble code?
To fix P1828: Check the condition of the switching relay. Check the integrity of the circuit and wiring harness. Check relay contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1828?
Yes, but get it checked soon
How much does it cost to fix P1828?
The estimated repair cost for P1828 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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