C05D7

Brake Transmission Shift Interlock (BTSI) Control Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Inability to change gears without pressing the brake pedal
Check Engine Light Illuminates
Shift Lever Lock

Causes

Open or short circuit in BTSI wiring harness
BTSI solenoid malfunction
Damage to the brake pedal sensor
Software failure in the transmission control module (TCM)
BTSI circuit fuse problems

How to Fix

Check the integrity of the BTSI wiring harness
Test the BTSI solenoid for faults
Check the brake pedal sensor
Read trouble codes from the TCM
If necessary, replace faulty components

Related codes

C0561 C0562 C0563