Saturday, October 16, 2021

2010 Cadillac Truck SRX AWD V6-3.0L Page 1966

2010 Cadillac Truck SRX AWD V6-3.0L Page 1966



P0121



The ECM detects that the TP sensor 1 voltage is stuck in range for less than 1 s.



P0122



The ECM detects that the TP sensor 1 voltage is less than 0.3 V for less than 1 s.



P0123



The ECM detects that the TP sensor 1 voltage is greater than 4.8 V for less than 1 s.



P0222



The ECM detects that the TP sensor 2 voltage is less than 0.3 V for less than 1 s.



P0223



The ECM detects that the TP sensor 2 voltage is greater than 4.6 V for less than 1 s.



P2135



The ECM detects that TP sensor 1 and TP sensor 2 disagree greater than 7-10 percent for less than 1 s.



Action Taken When the DTC Sets



P0121



* DTC P0121 is a type B DTC



* The ECM commands the throttle actuator control (TAC) system to operate in a Reduced Engine Power mode.



P0122, P0123, P0222, P0223, or P2135



* DTC P0122, P0123, P0222, P0223, and P2135 are type A DTCs



* The ECM commands the throttle actuator control (TAC) system to operate in a Reduced Engine Power mode.



Conditions for Clearing the DTC



* DTC P0121 is a type B DTC.



* DTCs P0122, P0123, P0222, P0223 and P2135 is a type A DTC.



Diagnostic Aids



A high resistance condition on the throttle position and throttle actuator control circuits could cause a DTC to set.



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

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