Data Communications

DTC B1001

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (Initial Inspection and Diagnostic Overview) for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions (Initial Inspection and Diagnostic Overview) provides an overview of each diagnostic category.



DTC Descriptor
DTC B1001
- Option Configuration Error




Circuit/System Description

Some control modules must be configured with serial numbers, vehicle options, or other information. If a control module was not properly configured after installation, that module may set DTC B1001.


Conditions for Running the DTC

Battery voltage is between 9-16 volts and data link communications operate normally.


Conditions for Setting the DTC

The control module is not configured properly.


Conditions for Clearing the DTC

* A current DTC clears when the malfunction is no longer present.
* A history DTC clears when the module ignition cycle counter reaches the reset threshold, without a repeat of the malfunction.



Circuit/System Verification

1. Program or configure the module or related module that set DTC B1001. Refer to Control Module References (Programming and Relearning) for the specific instructions.

• If the module will not configure, replace the module that set the DTC.

2. With a scan tool, clear the DTC.
3. Ignition OFF, remove the scan tool, open and close the drivers door.
4. Wait 60 seconds, then recheck for DTCs.

• If DTC B1001 returns, replace the module.




Repair Instructions

Perform the Diagnostic Repair Verification (Verification Tests) after completing the diagnostic procedure.


Control Module References (Programming and Relearning)for control module replacement, setup, and programming