FixVault

Test Description

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers located in the diagnostic table.

  1. 2:  This step is performed in order to confirm that DTC P0703 is current within the ECM.
  2. 3:  This step is performed in order to correct a BPP sensor that must be calibrated, possibly due to a BCM replacement or for a BPP sensor that is out of adjustment.
DTC P0703

Step Action Yes No
Schematic Reference: Cruise Control Schematics 
Connector End View Reference: Cruise Control Connector End Views  or to Body Control System Connector End Views in Body Control System
1
IMPORTANT: Repair all DTCs related to the stop lamps and to the brake system before performing this table.
Did you perform the Cruise Control Diagnostic System Check?
Go to Step 2  Go to Diagnostic System Check - Cruise Control 
Is DTC P0703 current in the PCM? Go to Step 3  Go to Diagnostic Aids
  1. Perform the BPP sensor calibration procedure. Refer to Brake Pedal Position Sensor Calibration Description and Operation in Lighting Systems.
  2. Use the scan tool in order to clear the DTCs.
  3. Operate the vehicle within the Conditions for Running the DTC.
Does the DTC reset?
Go to Step 4  System OK
4 Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and toConnector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 6  Go to Step 5 
5
IMPORTANT: Program the replacement BCM. The BPP sensor must be calibrated after replacement.
Replace the BCM. Refer to Body Control Module Replacement in Body Control System.Did you complete the replacement?
Go to Step 6  -
6
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC.
Does the DTC reset?
Go to Step 2  System OK