B0997

DTC B0997

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis Strategy Based Diagnosis for an overview of the diagnostic approach.

* Diagnostic Procedure Instructions Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC B0997 3A
- Auxiliary Electronic Control Unit Performance Incorrect Component Installed

DTC B0997 39
- Auxiliary Electronic Control Unit Performance Internal Electronic Failure

Circuit/System Description

The info display module monitors itself for internal failures and reports its condition to the human machine interface module when requested. The info display also reports electronic identification information when requested.

Conditions for Running DTC

* Ignition is ON or in the ACC position

* The system voltage is 9-16 V

* DTC B101E is not set as current in the human machine interface module

* The test is run once during human machine interface module wake up

Conditions for Setting the DTC

B0997 3A

The info display module has reported identification information that differs from the information calibrated in the human machine interface module.

B0997 39

The info display module reports an internal malfunction.

Action Taken When DTC Sets

The human machine interface module will set the DTC and the info display module will have limited or no functionality.

Conditions for Clearing the DTC

The human machine interface module detects a compatible info display module with no internal malfunctions reported.

Reference Information

Schematic Reference

Radio/Navigation System Schematics Radio/Navigation System Schematics

Connector End View Reference

Component Connector End Views Fuel Pump and Level Sensor Assembly

Description and Operation

Radio/Audio System Description and Operation Radio/Audio System

Electrical Information Reference

* Circuit Testing Circuit Testing

* Connector Repairs Connector Repairs

* Testing for Intermittent Conditions and Poor Connections Testing for Intermittent Conditions and Poor Connections

* Wiring Repairs Wiring Repairs

Scan Tool Reference

Control Module References Control Module References for scan tool information

Circuit/System Verification

1. Ignition ON, Infotainment system ON.

2. Verify DTC B101E is not set

• If DTC B101E is set
Refer to Diagnostic Trouble Code (DTC) List - Vehicle Diagnostic Trouble Code (DTC) List - Vehicle.

• If DTC B101E is not set

3. Verify DTC B0997 is not set

• If DTC B0997 is set
Replace the P17 info display module.

• If DTC B0997 is not set

4. All OK

Repair Instructions

Perform the Diagnostic Repair Verification Verification Tests after completing the repair.