P2839
Shift Fork B Position Circuit High
P2839 is an OBD-II diagnostic trouble code meaning: Shift Fork B Position Circuit High. Common causes: open or short circuit in fork position sensor b circuit, shift fork position sensor malfunction. Estimated repair cost: $17–89.
Symptoms
- Incorrect gear shifting
- Delays when shifting gears
- The gearbox goes into emergency mode
- Check Engine light comes on
- Certain programs are not included
Causes
- Open or short circuit in fork position sensor B circuit
- Shift fork position sensor malfunction
- Poor contact in circuit connectors
- Wiring harness damage
- Malfunction of the transmission control unit
How to Fix
- Check the integrity of the wiring harness to the fork position sensor B
- Check the contacts in the sensor circuit connectors
- Check resistance of fork position sensor B
- Replace the fork position sensor if necessary
- Check and, if necessary, replace the transmission control unit
Related codes
Error P2839 by Vehicle Brand
FAQ
What does the P2839 code mean?
P2839 is an OBD-II diagnostic trouble code that indicates: Shift Fork B Position Circuit High
What causes a P2839 error code?
The most common causes of P2839 include: Open or short circuit in fork position sensor B circuit; Shift fork position sensor malfunction; Poor contact in circuit connectors; Wiring harness damage.
How do I fix a P2839 diagnostic trouble code?
To fix P2839: Check the integrity of the wiring harness to the fork position sensor B. Check the contacts in the sensor circuit connectors. Check resistance of fork position sensor B. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2839?
Limited driving only, diagnose soon
How much does it cost to fix P2839?
The estimated repair cost for P2839 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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