FAQ for Body Control Module Repair
Q: What tool can you use to clear Diagnostic Trouble Codes (DTCs) from the PCM memory?
A:
You can use a Tech II or equivalent Scan tool to clear Diagnostic Trouble Codes (DTCs) from the PCM memory.
By BobGM Specialist
01/11/2022 Q: What should you do after recharging or disconnecting the battery?
A:
You should always check for and clear all DTCs after recharging or disconnecting the battery.
By BobGM Specialist
01/11/2022 Q: What tool do you use for configuring the BCM?
A:
You can use the Tech 2 scan tool.
By BobGM Specialist
01/11/2022 Q: How does the scan tool display the input of the Doors Battery Fd?
A:
The input of the Doors Battery Fd is displayed as Active.
By BobGM Specialist
01/11/2022 Q: What can you use to test the terminals in the BCM connector?
A:
You should use Probe Tool J 35616-6 from the J 35616-B terminal test kit.
By BobGM Specialist
01/11/2022 Q: What should you do to avoid future misdiagnosis after programming the BCM?
A:
You should turn the ignition off for 10 seconds, connect the scan tool to the data link connector, turn the ignition on with the engine off, retrieve History DTCs from all modules and clear all history DTCs.
By BobGM Specialist
01/11/2022 Q: What is the re-learn procedure for the body control module?
A:
The procedure is to turn the ignition switch off, turn the ignition switch from the off to the start position, turn the ignition switch off for five seconds, repeat the above steps for a second and third time, turn the ignition switch off, turn the ignition switch to the start position and check for BCM Diagnostic Trouble Codes (DTCs).
By BobGM Specialist
01/11/2022 Q: What is the removal procedure for the body control module?
A:
The procedure is to disconnect the battery ground (negative) cable, remove the left instrument panel insulator, disconnect the BCM electrical connectors and remove the BCM.
By BobGM Specialist
01/11/2022 Q: What should you make sure of before you set up a new body control module (BCM)?
A:
You should make sure the battery is fully charged and that all disconnected devices and connectors have been reconnected.
By BobGM Specialist
01/11/2022 Q: What should you do when the re-learn procedure is complete?
A:
You should turn the ignition switch off when the re-learn procedure is complete.
By BobGM Specialist
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