EEPROM Programming

EEPROM Programming

1. Set-up - Ensure that the following conditions have been met:

^ The battery is fully charged.

^ The ignition is "ON."

^ The Vehicle Interface Module cable connection at the Data Link Connector (DLC) is secure.

2. Program the PCM using the latest software matching the vehicle. Refer to GM Techline terminal/equipment user's instructions.

3. If the PCM fails to program, proceed as follows:

^ Ensure that all PCM connections are OK.

^ Check the GM Techline terminal/equipment for the latest software version.

^ Attempt to program the PCM. If the PCM still cannot be programmed properly, replace the PCM. The replacement PCM must be programmed.

Functional Check

1. Perform On-Board Diagnostic System Check.

2. Start engine and run for one minute.

3. Scan for Diagnostic Trouble Codes (DTCs) using the scan tool.

4. If DTC P0325 sets, the Knock Sensor (KS) module is not fully seated, is missing, or is faulty.