P2839 OBD-II: Shift Fork "B" Position Circuit High
P2839 Severity
Will P2839 go away on its own?
Once the vehicle's onboard system no longer detects the issue, most codes will disappear on their own. If your vehicle still has this code, however, it should be properly diagnosed to avoid a more serious problem.
For a proper diagnosis, RepairPal Certified shops have the equipment, tools, and expertise.
Moderate severity codes might not threaten the vehicle's safety or functionality immediately, but you should still get it diagnosed within a reasonable time frame to keep your car running well.
What causes OBD-II fault code P2839?
The Transmission is responsible for converting the power produced by the engine to movement of the vehicle. Some transmissions utilized electric motors to change gears. If the Transmission Control Module determines that the transmission is not shifting properly, code P2839 will be set.
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OBD II Fault Code
- OBD II P2839
OBD-II Code Transmission may not shift properly is defined as a Shift Fork "B" Position Circuit High
The Transmission is responsible for converting the power produced by the engine to movement of the vehicle. Some transmissions utilized electric motors to change gears. If the Transmission Control Module determines that the transmission is not shifting properly, code P2839 will be set.
Transmission may not shift properly Symptoms
- Increased fuel consumption
- Transmission may not shift properly
Common Problems That Trigger the P2839 Code
- Internal transmission failure
- Transmission Control Module (TCM) failure
- Transmission Control Module (TCM) needs to be calibrated
- Transmission Control Module (TCM) software needs to be updated
- Wiring issue
Ask our experts about P2839.
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