PRE-RELEASE
DTC B151A
| DTC B151A |
| 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 Descriptor |
DTC B151A 58
Low Battery Capacity Detected
| Circuit/System Description |
The body control module (BCM) monitors the battery voltage level during an engine crank event to detect a low battery voltage condition.
| Conditions for Running the DTC |
The ignition must be in the crank position for this code to set.
| Conditions for Setting the DTC |
A minimum crank battery voltage is less than the minimum crank battery voltage threshold for 16 consecutive crank events.
| Action Taken When the DTC Sets |
A driver information center (DIC) message is displayed.
| Conditions for Clearing the DTC |
The DTC will clear if the minimum crank voltage is greater than the minimum crank voltage threshold during a crank event.
| Reference Information |
Schematic Reference
Starting and Charging Schematics
Connector End View Reference
Component Connector End Views
Description and Operation
Charging System 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 Verification |
Before replacing the C1 battery perform the Battery Inspection/Test .
