2010 Cadillac CTS Sedan AWD V6-3.6L Page 744

2010 Cadillac CTS Sedan AWD V6-3.6L Page 744

C0620

DTC C0615, C0620, C0625, or C0630

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provides an overview of each diagnostic category.

DTC Descriptors

DTC C0615 08

- Left Front Position Sensor Circuit - Signal Invalid

DTC C0615 55

- Left Front Position Sensor Circuit - Expected Number Of Transitions Not Reached

DTC C0620 08

- Right Front Position Sensor Circuit - Signal Invalid

DTC C0620 55

- Right Front Position Sensor Circuit - Expected Number Of Transitions Not Reached

DTC C0625 08

- Left Rear Position Sensor Circuit - Signal Invalid

DTC C0625 55

- Left Rear Position Sensor Circuit - Expected Number Of Transitions Not Reached

DTC C0630 08

- Right Rear Position Sensor Circuit - Signal Invalid

DTC C0630 55

- Right Rear Position Sensor Circuit - Expected Number Of Transitions Not Reached

Diagnostic Fault Information

Circuit/System Description

The electronic suspension control (ESC) module supplies a 5-volt reference signal to each suspension position sensor. The suspension position