Chevrolet Trax: DTC B0550: Odometer circuit general memory malfunction
Diagnostic Instructions
- Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
- Review Strategy Based Diagnosis for an overview of the diagnostic approach.
- Diagnostic Procedure Instructions provides an overview of each diagnostic category.
DTC Descriptor
DTC B0550 32
Odometer Circuit General Memory Malfunction
Circuit/System Description
The Instrument Cluster is equipped with odometers that indicate the distance traveled by the vehicle. One type of odometer is the season odometer where the traveled distance can not be reset by the driver. This information is also stored in the Body Control Module (BCM). In addition to storing the season odometer value for the vehicle, the Instrument Cluster and the BCM store the VIN. Software checks are performed to ensure these modules, and their stored season odometer information, can not be moved or transferred between different vehicles.
Conditions for Running the DTC
The ignition is ON.
Conditions for Setting the DTC
The BCM has detected an internal memory malfunction.
Action Taken When the DTC Sets
DTC B0550 32 is stored in the BCM memory.
Conditions for Clearing the DTC
The BCM no longer detects a malfunction.
Reference Information
Schematic Reference
Instrument Cluster Schematics (Encore), Instrument Cluster Schematics (Trax)
Connector End View Reference
WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - INDEX - ENCORE WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - INDEX - TRAX
Description and Operation
Driver Information Center (DIC) Description and Operation (base Instrument Cluster), Driver Information Center (DIC) Description and Operation (uplevel Instrument Cluster)
Electrical Information Reference
- Circuit Testing
- Connector Repairs
- Testing for Intermittent Conditions and Poor Connections
- Wiring Repairs
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
- Ignition ON.
- Verify DTC B0550 32 is not set.
- If DTC B0550 32 is set
- Program the K9 Body Control Module.
- Verify the DTC does not set
- If the DTC sets, replace the K9 Body Control Module.
- If the DTC does not set
- All OK.
- If DTC B0550 32 is not set
- All OK
Repair Instructions
Perform the Diagnostic Repair Verification after completing the repair.
Control Module References for BCM replacement, programming and setup
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