Operation CHARM: Car repair manuals for everyone.

P0571



Cruise Control/Brake Switch A Circuit.

P0571 - Cruise Control/Brake Switch A Circuit fault.: Last occurrence - plausibility

Possible causes:
1. Short circuit C0331/24,28 - battery.
2. Short circuit C0331/24 (UR) - ground.
3. Open circuit C0331/24 (UR) - C0075/4 (UR).
4. Open circuit C0331/28 (NS) - C0075/3 (NS).
5. Connectors C0331, C0075.
6. Brake Switch.
7. V8 Engine Management System ECM.

1. Short circuit C0331/24,28 - battery.
SHORT_CIRCUIT
Check resistance < 5.0 Ohms.

2. Short circuit C0331/24 (UR) - ground.
SHORT_CIRCUIT
Check resistance < 5.0 Ohms.

3. Open circuit C0331/24 (UR) - C0075/4 (UR).
OPEN_CIRCUIT
Check resistance > 1M Ohms.

4. Open circuit C0331/28 (NS) - C0075/3 (NS).
OPEN_CIRCUIT
Check resistance > 1M Ohms.

5. Connectors C0331, C0075.
CONNECTOR
Check for connector not correctly latched, backed out pins, damaged pins, corroded pins

6. Brake Switch.
Check for open/short circuit with switch open/closed.

7. V8 Engine Management System ECM.
No detail available for this fault