Shift Timing Solenoid B Range/Performance
Shift timing solenoid B is electrically intact, but actual shift timing does not match the model — same failure modes as solenoid A (aged, dirty ATF), applied to the second timing channel.
Affected components
- Shift timing solenoid b
- Transmission fluid
Common causes
- High likelihood: Aged solenoid with weakened force
- Low likelihood: Sensor element aged beyond calibration window
- Low likelihood: Sensor mounting loose - signal damping
Possible symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Diagnostic notes
- The malfunction indicator lamp may illuminate
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.