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AutoCodes - Generic - P1191

P1191 Code - Electronic Throttle System Limp Home Valve On

- Code Popularity: 27,587 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1191?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Electronic Throttle System (ETS) Motor
  • Faulty Electronic Throttle System (ETS)
  • Electronic Throttle System(ETS)unit
  • Electronic Throttle System(ETS) harness is open or shorted
  • Electronic Throttle System(ETS) circuit poor electrical connection
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How to Fix the DTC P1191?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1191 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1191 Description

The Electronic Throttle System (ETS) consists of ETS unit, ETS-motor, Accelerator Position Sensor (APS),Throttle Position Sensor (TPS) and Limp home valve.
Among above-mentioned parts, Limp home valve is attached under the throttle body and helps air to flow from the outside through this valve to the engine combustion chamber to prevent the vehicle from engine stall when Powertrain Control Module (PCM) detects ETS system malfunction.

OBDII Code P1191 - Electronic Throttle System Limp Home Valve On - AutoCodes.com
P1191 Code - Electronic Throttle System Limp Home Valve On

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Code P1191 comments

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