Common Symptoms
- Check Engine Light or Transmission warning light illuminated
- Harsh or delayed engagement when shifting into reverse
- Transmission slipping or flaring in reverse gear
- Vehicle does not move or moves weakly in reverse
- Unusual noise or grinding when reverse is selected
- Transmission may default to limp mode limiting forward gears
Most Likely Root Causes
- Low or contaminated transmission fluid
- Worn or damaged reverse clutch pack or friction plates
- Faulty transmission solenoid or pressure control solenoid
- Internal transmission mechanical wear or damage
- Transmission control module software issue or fault
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Component Location
Reverse gear components are internal to the transmission assembly, typically located toward the rear of the transmission case.
Manufacturer Notes
This code indicates the transmission control module detected an incorrect gear ratio in reverse, often requiring internal transmission inspection or rebuild.
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