P283A
Shift Fork B Position Circuit Intermittent
What it means
P283A means Shift Fork B Position Circuit Intermittent.
Check these first
- A shift fork B position circuit fault that comes and goes
- A corroded or loose shift fork B position sensor connector
- A failing shift fork B position sensor
- Heat or vibration shifting the shift fork B position signal
What to do next
- Read shift fork B position on a scan tool while wiggling the harness
- Test the shift fork B position circuit for intermittent open and short faults
- Check the shift fork B position sensor connector pins for corrosion
- Check transmission fluid level and condition
- Replace the shift fork B position sensor if the fault returns
- Clear the code and retest
Look up another code
Enter a full code or a symptom. Press / to search. How to read a code
Type a code above, or start from a symptom or a common code.
Updated
Generic SAE J2012 definition. Last updated 2026-10-10.