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Symptom: P0572-BRAKE SWITCH #1 CIRCUIT LOW When Monitored and Set Condition: P0572-BRAKE SWITCH #1 CIRCUIT LOW When Monitored: Ignition on. Set Condition: When the PCM recognizes Brake Switch is mechanically stuck in the low/on position. One Trip Fault. Three Global Good Trips to Clear. POSSIBLE CAUSES GOOD TRIP EQUAL TO ZERO BRAKE LAMP SWITCH OPERATION (K29) BRAKE SWITCH SIGNAL CIRCUIT SHORTED TO GROUND PCM TEST ACTION APPLICABILITY 1 NOTE: Verify battery voltage is greater than 10 volts. t, read DTCs and record the related Freeze Frame data. Is the Good Trip Counter displayed and equal to zero? All Yes → Go To 2 No → Refer to the INTERMITTENT CONDITION symptom in the Diagnostic category. 2 Turn the ignition off. All Yes → Go To 3 No → Replace the Brake Lamp Switch. Perform POWERTRAIN VERIFICATION TEST VER - 5. 3 Turn the ignition off. All Yes → Repair the short to ground in the (K29) Brake Switch Signal circuit. No → Go To 4 218 DRIVEABILITY - NGC |