DTC B291B
DTC B291B |
Diagnostic Instructions |
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Perform the
Diagnostic System Check - Vehicle
prior to using this diagnostic procedure.
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Review
Strategy Based Diagnosis
for an overview of the diagnostic approach.
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Diagnostic Procedure Instructions
provides an overview of each diagnostic category.
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DTC Descriptors |
DTC B291B 00
Content Theft Deterrent Sensor Malfunction
DTC B291B 39
Content Theft Deterrent Sensor Internal Malfunction
DTC B291B 42
Content Theft Deterrent Sensor Calibration Not Programmed
Circuit/System Description |
This diagnostic applies to internal microprocessor integrity conditions within the content theft sensor (intrusion/inclination sensor).
Conditions for Running the DTC |
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The ignition is OFF.
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The vehicle is in Park.
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Conditions for Setting the DTC |
The body control module detects an internal failure within the content theft sensor.
Action Taken When the DTC Sets |
The intrusion and inclination output is disabled
Conditions for Clearing the DTC |
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A current DTC will clear when the conditions for setting the DTC are no longer present.
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A history DTC will clear after 40 malfunction-free ignition cycles.
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Reference Information |
Schematic Reference
Theft Deterrent System Schematics
Connector End View Reference
Component Connector End Views
Description and Operation
Content Theft Deterrent (CTD) Description and Operation
Electrical Information Reference
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Circuit Testing
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Connector Repairs
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Testing for Intermittent Conditions and Poor Connections
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Wiring Repairs
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Scan Tool Reference
Control Module References for scan tool information
Circuit/System Testing |
Verify that DTC B291B is not set.
Repair Instructions |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for body control module replacement, setup, and programming