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P2119 HUMMER

P2119 HUMMER - Throttle Closed Position Performance

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3   
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Possible causes

  • Faulty Throttle Actuator Control (TAC) module
  • Throttle Actuator Control (TAC) module harness is open or shorted
  • Throttle Actuator Control (TAC) module circuit poor electrical connection
  • Throttle plate sticking due to carbon build-up
  • Engine Control Module

Tech notes

There is a factory service bulletin for the P2119 code on following HUMMER vehicles:

2006-2012 Hummer H3
Factory Service Bulletin HUMMER OBDII Code P2119

When is the code detected?

The P2119 code is detected when electric throttle control actuator does not function properly due to the return spring malfunction or Engine Control Module (ECM) detect the throttle valve is stuck open.

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • No throttle pedal response

P2119 Hummer Description

The Engine Control Module (ECM) is the control center for the Throttle Actuator Control (TAC) system. The ECM determines the drivers intent and then calculates the appropriate throttle response. The ECM achieves throttle positioning by providing a pulse width modulated voltage to the TAC motor. The TAC system uses the following circuits for Motor control 1 and Motor control 2.

Two processors are also used to monitor the TAC system data. Both processors are located within the ECM. Both processors monitor each other's data to verify that the indicated throttle position is correct.

OBDII Code P2119 Hummer - Throttle Closed Position Performance - AutoCodes.com

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Related Information

P2119 HUMMER Comments

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