2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 421
* The ignition switch has not been in the start position for 2 seconds.
Conditions for Setting the DTC
B1325 03
The control module detects that the battery voltage is less than 8.5 volts for 1.2 seconds.
B1325 07
The control module detects that the battery voltage is greater than 18 volts for 1.2 seconds.
Action Taken When the DTC Sets
* The control module immediately disables all outputs, with the exception of serial data, which is disabled after a 3 minute delay.
* The setting of other DTCs is inhibited.
Conditions for Clearing the DTC
The DTC passes when the battery voltage is greater than 9.5 volts for 1.2 seconds.
Diagnostic Aids
* A high or low voltage value in multiple modules indicates a concern in the charging system.
* Overcharging with a battery charger or jump starting can cause this DTC to set.
Reference Information
Schematic Reference
* Radio/Navigation System Schematics (See: Accessories and Optional Equipment/Diagrams/Electrical Diagrams/Radio/Navigation System
Schematics)
* Instrument Cluster Schematics (See: Diagrams/Electrical Diagrams/Instrument Panel, Gauges and Warning Indicators/System
Diagram/Instrument Cluster Schematics)
* SIR Schematics (See: Diagrams/Electrical Diagrams/Air Bag Systems)
* Object Detection Schematics (See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist
Systems/Diagrams/Electrical Diagrams)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Description and Operation
Charging System Description and Operation (See: Starting and Charging/Charging System/Description and Operation)
Electrical Information Reference
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit
Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic
Procedures/Connector Repairs/Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General
Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring
Repairs/Wiring Repairs)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
Circuit/System Testing
1. Engine running, accessories OFF, measure and record the battery voltage at the battery terminals. The voltage should be between 12.6 and
15.0 volts.
瀚慖f not within the specified range, refer to Charging System Test (See: Starting and Charging/Testing and Inspection/Component Tests
and General Diagnostics/Charging System Test).
2. Ignition OFF, disconnect the harness connectors at the appropriate module.
3. Ignition OFF and scan tool disconnected, open and close the driver door, and wait 1 minute. Test for less than 5 ohms between the
appropriate ground circuit terminals listed below and ground.
* The ignition switch has not been in the start position for 2 seconds.
Conditions for Setting the DTC
B1325 03
The control module detects that the battery voltage is less than 8.5 volts for 1.2 seconds.
B1325 07
The control module detects that the battery voltage is greater than 18 volts for 1.2 seconds.
Action Taken When the DTC Sets
* The control module immediately disables all outputs, with the exception of serial data, which is disabled after a 3 minute delay.
* The setting of other DTCs is inhibited.
Conditions for Clearing the DTC
The DTC passes when the battery voltage is greater than 9.5 volts for 1.2 seconds.
Diagnostic Aids
* A high or low voltage value in multiple modules indicates a concern in the charging system.
* Overcharging with a battery charger or jump starting can cause this DTC to set.
Reference Information
Schematic Reference
* Radio/Navigation System Schematics (See: Accessories and Optional Equipment/Diagrams/Electrical Diagrams/Radio/Navigation System
Schematics)
* Instrument Cluster Schematics (See: Diagrams/Electrical Diagrams/Instrument Panel, Gauges and Warning Indicators/System
Diagram/Instrument Cluster Schematics)
* SIR Schematics (See: Diagrams/Electrical Diagrams/Air Bag Systems)
* Object Detection Schematics (See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist
Systems/Diagrams/Electrical Diagrams)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Description and Operation
Charging System Description and Operation (See: Starting and Charging/Charging System/Description and Operation)
Electrical Information Reference
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit
Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic
Procedures/Connector Repairs/Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General
Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring
Repairs/Wiring Repairs)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
Circuit/System Testing
1. Engine running, accessories OFF, measure and record the battery voltage at the battery terminals. The voltage should be between 12.6 and
15.0 volts.
瀚慖f not within the specified range, refer to Charging System Test (See: Starting and Charging/Testing and Inspection/Component Tests
and General Diagnostics/Charging System Test).
2. Ignition OFF, disconnect the harness connectors at the appropriate module.
3. Ignition OFF and scan tool disconnected, open and close the driver door, and wait 1 minute. Test for less than 5 ohms between the
appropriate ground circuit terminals listed below and ground.
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