Gear Shift Lock Solenoid/Actuator Control Circuit B Range/Performance
The gear shift lock solenoid/actuator control circuit B reports a control circuit b range/performance condition. Selector lever interlock cannot be commanded reliably.
Affected components
- Gear shift lock solenoid b
- Wiring harness
- Tcm
Common causes
- High likelihood: Actuator response slow
- Medium likelihood: High-resistance contact
- Low likelihood: Sensor element aged beyond calibration window
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.