Gear Shift Fork 2 Position Circuit Low
The P2837 code means the vehicle's onboard diagnostic system has detected: Gear Shift Fork 2 Position Circuit Low. This is a moderate severity code.
- Keep driving?
- No -- stop driving
- DIY difficulty
- hard
- Estimated cost
- $300 - $1,200 (parts and labor)
Read and clear transmission codes. Many trans codes are caused by low or burnt fluid -- check level and color before assuming the worst.
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Basic scanners only read engine codes. This reads transmission, ABS, and airbag too.
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Common Symptoms
- Transmission stuck in gear
- No response when shifting
- Check Engine Light on
- Harsh engagement when shifting
Probable Causes (Ranked by Likelihood)
- Short to ground in shift fork 2 sensor wiring Very High
- Failed shift fork 2 position sensor High
- Corroded connector pins Moderate
- TCM ground circuit problem Low
Step-by-Step Diagnostic Procedure
-
Retrieve DTCs and record freeze frame data
-
Check shift fork 2 sensor voltage at the connector
-
Inspect wiring for shorts to ground
-
Test sensor with multimeter
Frequently Asked Questions
What causes a low circuit?
A low circuit typically means the signal voltage is below the expected minimum, often caused by a short to ground in the wiring or a failed sensor.
Is this an expensive repair?
Repair costs vary, but if the sensor is accessible, it can be relatively affordable. Internal transmission repairs are more costly.
Can wiring repair fix this?
Yes, if the issue is damaged wiring or a corroded connector, repairing these can resolve the code without replacing the sensor.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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