Diagnostic Routine K

Diagnostic Routine K

Diagnostic Overview

U0100:00

DTC Fault Trigger Conditions







Pinpoint Test

1. VERIFY THE SCAN TOOL CAN COMMUNICATE WITH THE PCM (Powertrain Control Module)

1. Connect the scan tool.

2. Ignition ON.

3. Check that a vehicle session can be established using the scan tool.

Can a vehicle session be established?








2. CHECK THE BCM (Body Control Module) CONTINUOUS MEMORY DTCs (Diagnostic Trouble Codes)

1. Using a scan tool, perform BCM (Body Control Module) self-test.

2. Clear the DTCs (Diagnostic Trouble Codes). Repeat the BCM (Body Control Module) self-test.

Is DTC (Diagnostic Trouble Code) U0100:00 retrieved again?








3. RETRIEVE THE RECORDED DTCs (Diagnostic Trouble Codes) FROM THE BCM (Body Control Module) SELF-TEST

1. Check for recorded BCM (Body Control Module) DTCs (Diagnostic Trouble Codes) from the self-test.

Is DTC (Diagnostic Trouble Code) U3003:16 or DTC (Diagnostic Trouble Code) U3003:17 recorded?








4. CHECK FOR DTC (Diagnostic Trouble Code) U0100:00 OR DTC (Diagnostic Trouble Code) U0100 SET IN OTHER MODULES

1. Ignition ON.

2. Using a scan tool, retrieve the continuous memory DTCs (Diagnostic Trouble Codes) from all modules.

Is DTC (Diagnostic Trouble Code) U0100:00 or DTC U0100 set in any other module?