2010 Cadillac CTS Sedan AWD V6-3.6L Page 747
- 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
sensors supply a signal of 0.35-4.75 volts to the ESC module which represents the position between the body and the wheel. The sensors are also
grounded through the ESC module.
Conditions for Running the DTC
* Battery voltage is between 9-16 volts.
* Ignition is ON.
Conditions for Setting the DTC
* The DTC is set when the ESC module measures a position sensor signal less than 0.35 volt or greater than 4.75 volts for more than 1 second
while the vehicle is operated under normal driving conditions.
* The fault is detected during 3 consecutive ignition cycles, or during the same ignition cycle after clearing the DTC with a scan tool.
Action Taken When the DTC Sets
* The ESC will enter the speed dependent damping mode.
* Both left and right normal force outputs will be set to the default output states.
* The ESC sends a message to the instrument panel cluster (IPC) to display a SERVICE RIDE CONTROL or SERVICE SUSPENSION
SYSTEM message.
Conditions for Clearing the DTC
A history DTC will clear after 50 consecutive ignition cycles if the condition for the malfunction is no longer present.
Reference Information
Schematic Reference
Electronic Suspension Control Schematics (See: Diagrams/Electrical Diagrams/Suspension Control ( Automatic - Electronic ))
