2010 Cadillac Truck SRX FWD V6-3.0L Page 788

2010 Cadillac Truck SRX FWD V6-3.0L Page 788

Circuit/System Verification

Verify that DTC C078A is not set.

If the DTC is set, replace the tire pressure sensor locator module.

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the repair.

Control Module References (See: Testing and Inspection/Programming and Relearning) for module replacement, setup, and programming

C0110

DTC C0110

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 C0110 00

- Pump Motor Circuit Malfunction

DTC C0110 04

- Pump Motor Circuit Open

DTC C0110 61

- Pump Motor Circuit Stuck

Diagnostic Fault Information

Circuit/System Description

The pump motor is an integral part of the brake pressure modulator valve assembly, while the pump motor relay is integral to the electronic brake

control module (EBCM). The pump motor relay is not engaged during normal system operation. When the ABS, traction control or stability control

operation is required, the EBCM activates the pump motor relay and turns the pump motor ON.

Conditions for Running the DTC

Ignition ON.

Conditions for Setting the DTC

C0110 00

* An unintentional pump motor activation is detected for 1.785 s.

* An open/high resistance is detected on the pump motor B+ circuit for 1.8 s.

C0110 04

An unintentional pump motor activation is detected for 1.785 s.