GM Service Manual Online
For 1990-2009 cars only

Diagnostic Aids

The remote vehicle start (RVS) will not operate under the following conditions:

    • The hazard switch in the ON position.
    • A hazard switch DTC is set.
    • The vehicle hood is open.
    • A hood ajar switch DTC is set.
    • An automatic transmission (A/T) shift lock control system DTC is set.
    • The ignition key is in the ignition.
    • A vehicle speed signal is detected by the engine control module (ECM).
    • A vehicle DTC that illuminates the malfunction indicator lamp (MIL)

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. The Vehicle Diagnostic System Check must be performed or misdiagnosis will occur.

  2. The remote start enable procedure is contained in the Starting System Description and Operation.

Step

Action

Yes

No

Schematic Reference: Starting and Charging Schematics

Connector End View Reference: Engine Electrical Connector End Views

DEFINITION: The remote vehicle start function does not operate.

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

Momentarily turn the ignition key to the start position.

Does the starter relay click?

Go to Step 3

Go to Starter Solenoid Does Not Click

3

  1. Remove the ignition key from the ignition switch.
  2. Press the lock button on the remote keyless entry (RKE) fob.

Does the vehicle doors lock?

Go to Step 4

Go to Keyless Entry System Inoperative

4

  1. Turn ON the ignition, with the engine OFF.
  2. Press the driver information center (DIC) menu button until Remote Start appears on the display.
  3. Observe the DIC display.

Does the DIC display Off?

Go to Starting System Description and Operation

Go to Step 5

5

  1. Install a scan tool.
  2. Observe the Remote Start Disable History parameter in the Keyless Entry BCM Remote Start Disable History Data list.

Does the scan tool indicate that Ext. Crank is present?

Go to Engine Cranks But Does Not Run for the 2.2L (L61) engine or Engine Cranks But Does Not Run for the 2.4L (LE5) engine

Go to Step 6

6

Observe the Remote Start parameter in the Keyless Entry BCM Remote Start Disable History Data list.

Does the scan tool indicate that Battery Voltage is normal?

Go to Step 7

Go to Battery Inspection/Test

7

Observe the Remote Start parameter.

Does the scan tool indicate that Backup Power Moding is active?

Go to Power Mode Mismatch

Go to Step 8

8

Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 10

Go to Step 9

9

Replace the BCM. Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 10

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10

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 5