OBD-II code · Chassis
C05D7 Brake Transmission Shift Interlock (BTSI) Control Circuit
Fault on the brake transmission shift interlock (BTSI) circuit — prevents shifting from Park unless brake pedal is depressed.
Is it safe to drive with C05D7?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyBTSI solenoid fault
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Btsi Solenoid
Related codes
- C05D4Brake Master Cylinder Piston Position Sensor Calibration Not Learned
- C05D5Brake Master Cylinder Cut Off Valve
- C05D6Power Steering Control Module Processor Performance
- C05D84WD/AWD Clutch A Actuator Control Circuit/Open
- C05D94WD/AWD Clutch A Actuator Control Circuit Performance
- C05DA4WD/AWD Clutch A Actuator Control Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.