2010 Cadillac Truck SRX AWD V6-3.0L Page 1941
P2100
The ECM detects the output circuit for the TAC motor is open, shorted to ground, or shorted to a voltage. The condition exists fro greater than 1 s.
P2101
The ECM detects a 4-50 percent difference between the commanded and the actual throttle plate position, dependant upon the rate of commanded
throttle movement. The condition exists for 1 s.
P2102
The ECM detects an overheat condition with the output driver. The condition exists for 1 s.
P2103
The ECM detects an over load condition with the output driver. The condition exists for 1 s.
P2119
The ECM determines that the throttle valve did not return to the rest position within 1 s. The condition exists for greater than 1 s, or a cumulative of
10 s.
Action Taken When the DTC Sets
DTCs P0638, P2100, P2101, P2102, P2103, and P2119 are Type A DTCs.
Conditions for Clearing the DTC
DTCs P0638, P2100, P2101, P2102, P2103, and P2119 are Type A DTCs.
Diagnostic Aids
Inspect for a condition in which the throttle valve may have been held open. For example, ice may have formed in the throttle bore causing the
throttle valve not to close.
Reference Information
Schematic Reference
Engine Controls Schematics (LAU) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)Engine Controls Schematics
(LF1) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)
Description and Operation
Throttle Actuator Control (TAC) System Description (See: Powertrain Management/Computers and Control Systems/Description and
Operation/Throttle Actuator Control (TAC) System Description)
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)
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code
(DTC) Type Definitions)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
Special Tools
* EL 34730-405 - Injector Test Lamp
* For equivalent regional tools, refer to Special Tools (See: Powertrain Management/Computers and Control Systems/Tools and Equipment).
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