Category: OBDii Powertrain Codes

P1587 Throttle Control Unit Modulated Command Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1582 Cruise Direction Circuit Low VoltageCode

P1583 Cruise Direction CircuitHigh Voltage

P1576 BBV Sensor Circuit High Voltage

P1577 BBV Sensor Circuit Low Voltage

P1578 BBV Sensor Circuit Low Vacuum

P1579 P/N To D/R At High Throttle Angle

P1580 Cruise Move Circuit Low Voltage

P1581 Cruise Move Circuit High Voltage

P1570 Cruise Control System-Traction Control Active Possible causes – Check Anti-Theft system for fault

P1571 Traction Control Torque Request Circuit Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1572 ASR Active Circuit Low Too Long Possible causes – Brake Pedal Switch harness is open or shorted – Brake Pedal Switch circuit poor electrical connection – Faulty Brake Pedal Switch – Faulty stop lamp switch – Faulty Engine Control Moduele (ECM) What about the obd code? When the vehicle speed is above 30 km/h…

P1573 PCM/EBTCM Serial Data Circuit

P1574 Stoplamp Switch Circuit

P1575 Extended Travel Brake Switch Circuit

P1568 Cruise Servo Stroke Greater Than Commanded In Cruise

P1569 Cruise Servo Stroke High While Not In Cruise

P1564 Cruise Control System – Vehicle Accel Too High Possible causes – ASCD Steering Switch harness is open or shorted – ASCD Steering Switch circuit poor electrical connection – Faulty ASCD Steering Switch – Faulty Engine Control Module (ECM) What about the obd code? An improper voltage signal from the Automatic Speed Control Device (ASCD)…

P1565 Cruise Servo Position Sensor

P1566 Cruise Control System-Engine RPM Too High