2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 352
* If the BCM loses communication with the windshield outside moisture sensor while the windshield outside moisture sensor was requesting
single wipes, it shall fail soft the wipers operation to front wiper manual-intermittent with a fixed dwell time of 4 seconds.
* If the BCM loses communication with the windshield outside moisture sensor while the windshield outside moisture sensor was continuously
requesting low, it shall fail soft the wipers operation to front wiper manual-low.
* If the BCM loses communication with the windshield outside moisture sensor while the windshield outside moisture sensor was continuously
requesting high, it shall fail soft the wipers operation to front wiper manual-high.
Conditions for Clearing the DTC
A current DTC clears when the diagnostic runs and passes.
Reference Information
Schematic Reference
Wiper/Washer Schematics (See: Wiper and Washer Systems/Diagrams/Electrical Diagrams)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)
Description and Operation
Wiper/Washer System Description and Operation (See: Wiper and Washer Systems/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 Verification
If this DTC is set, replace the B117 rain sensor.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Windshield Outside Moisture Sensor Replacement (See: Sensors and Switches/Sensors and Switches - Wiper and Washer Systems/Rain
Sensor/Service and Repair)
* Control Module References (See: Testing and Inspection/Programming and Relearning) for BCM replacement, setup, and programming
B370B
DTC B370B
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptor
DTC B370B 02
- Rear Wiper Function Control Circuit Short to Ground
Diagnostic Fault Information
