Friday, March 29, 2019

2019 Cadillac Truck Escalade AWD V8-6.2L Diagnostic Instructions Page 158


* This DTC may be stored as a history DTC without affecting the operation of the control module.



* Do not replace a control module based only on DTC B101D being set in history with the exception of the following control modules:



- Sensing and Diagnostic Module (SDM)



- Passenger Presence System Module



* If DTC B101D is set as current, replace the appropriate control module.



Circuit/System Verification



Verify that DTC B101D is not set.



If the DTC is set, replace the control module that set the DTC.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the repair.



Control Module References (See: Testing and Inspection/Programming and Relearning)for control module replacement, setup, and programming



B101E



DTC B101E



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptor



DTC B101E XX



- ECU Software



Circuit/System Description



Some control modules must be configured with specific software, serial numbers, vehicle options, or other information. If a control module was not



properly configured after installation that module may set DTC B101E. The symptom byte listed in the DTC Descriptor is for engineering reference



only. No external circuit diagnosis is involved.



Conditions for Running the DTC



Battery voltage is between 9-16 V 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.



Reference Information



Schematic Reference



Data Communication Schematics (See: Powertrain Management/Computers and Control Systems/Information Bus/Diagrams/Electrical Diagrams)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views)



Description and Operation



Data Link Communications Description and Operation (See: Powertrain Management/Computers and Control Systems/Information



Bus/Description and Operation)



Electrical Information Reference