Gear Shift Fork 2 Position Circuit High
The P2838 code means the vehicle's onboard diagnostic system has detected: Gear Shift Fork 2 Position Circuit High. 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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Common Symptoms
- Transmission warning light on
- Delayed gear engagement
- Check Engine Light on
- Rough shifting
Probable Causes (Ranked by Likelihood)
- Open circuit in shift fork 2 sensor wiring Very High
- Failed shift fork 2 position sensor High
- Disconnected sensor connector Moderate
- TCM power supply issue Low
Step-by-Step Diagnostic Procedure
-
Scan for DTCs and note freeze frame conditions
-
Check sensor connector for damage or disconnection
-
Measure sensor signal voltage at TCM
-
Inspect wiring for open circuits
Frequently Asked Questions
What does high circuit mean?
A high circuit code means the signal voltage is above the expected maximum, usually due to an open wire or disconnected sensor.
Can I reset this code and drive?
Resetting the code without repair is not recommended as the transmission cannot properly control gear engagement.
How urgent is this repair?
This should be repaired promptly to prevent transmission damage from improper gear engagement.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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