Friday, July 15, 2022

2010 Cadillac Truck SRX FWD V6-3.0L Page 1306

2010 Cadillac Truck SRX FWD V6-3.0L Page 1306



P0223



DTC P0121-P0123, P0222, P0223, or P2135 (LF1, LFW)



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 Descriptors



DTC P0121



- Throttle Position Sensor Performance



DTC P0122



- Throttle Position Sensor 1 Circuit Low Voltage



DTC P0123



- Throttle Position Sensor 1 Circuit High Voltage



DTC P0222



- Throttle Position Sensor 2 Circuit Low Voltage



DTC P0223



- Throttle Position Sensor 2 Circuit High Voltage



DTC P2135



- Throttle Position Sensors 1-2 Not Plausible



Diagnostic Fault Information



Typical Scan Tool Data



Circuit/System Description



The throttle body assembly contains 2 throttle position (TP) sensors. The TP sensors are mounted to the throttle body assembly and are not



serviceable. The TP sensors provide a signal voltage that changes relative to throttle blade angle. The engine control module (ECM) supplies the TP

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