GM Service Manual Online
For 1990-2009 cars only

Circuit Description

The passenger door module (PDM), upon receipt of a class 2 message or a direct lock or unlock switch input will supply battery positive voltage to the internal door lock and unlock relays control circuits.

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC B1017 Output Driver Module Performance

Conditions for Running the DTC

    • Battery voltage is between 10.6-16 volts.
    • Ignition switch in the ON position

Conditions for Setting the DTC

    • When the PDM supplies battery voltage to the internal door lock relay control circuit and it is shorted to ground for more then 160 milliseconds
    • When the PDM supplies battery voltage to the internal door unlock relay control circuit and it is shorted to ground for more then 160 milliseconds

Action Taken When the DTC Sets

The PDM will cancel any outputs on the door lock or unlock relay control circuits for the remainder of the ignition cycle.

Conditions for Clearing the DTC

When the fault is no longer present, the PDM changes the current DTC to a history DTC. The PDM will clear the history DTC after 50 fault-free ignition cycles.

Step

Action

Yes

No

Schematic Reference: Door Lock/Indicator Schematics

Connector End View Reference: Vehicle Access Connector End Views

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

  1. Install a scan tool.
  2. Clear any stored DTCs.
  3. Turn ON the ignition, with the engine OFF.
  4. Go to display current DTC screen.
  5. Activate the passenger door module (PDM) door lock switch to the lock and unlock positions.

Does DTC B1017 set as a current DTC?

Go to Step 3

Go to Testing for Intermittent Conditions and Poor Connections

3

Inspect for poor connections at the harness connector of the PDM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 5

Go to Step 4

4

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

Did you complete the replacement?

Go to Step 5

--

5

  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC, as specified in the supporting text.

Does the DTC reset?

Go to Step 2

System OK