FixVault

Circuit/System Testing

IMPORTANT: Inspect for brake lamp related DTCs and symptoms before diagnosing DTC C0136.
IMPORTANT: A binding brake pedal or improperly adjusted brake switch can cause DTC C0136 to set. Correct any hydraulic brake symptoms before diagnosing this DTC. Refer to Symptoms - Hydraulic Brakes .

Disconnect the BCM harness connector X3. Connect a test lamp between the stop lamp switch signal circuit terminal 13 and ground. Apply the brake.