AutoCodes – Generic – P1194

P1194 Code - Throttle Actuator Control System Limp Home-Throttle Position Sensor 2 Position Malfunction

Quick Answer

The Electronic Throttle System (ETS) consists of ETS unit, ETS-motor, Accelerator Position Sensor (APS),Throttle Position Sensor (TPS) and Limp home valve. Common causes include Faulty Electronic Throttle System (ETS) Motor, Faulty Electronic Throttle System (ETS), Electronic Throttle System(ETS)unit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1194 indicates Throttle Actuator Control System Limp Home-Throttle Position Sensor 2 Position Malfunction.
Common causes: Common causes include Faulty Electronic Throttle System (ETS) Motor, Faulty Electronic Throttle System (ETS), Electronic Throttle System(ETS)unit.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 18,831

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 17, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1194 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 P1194 - Throttle Actuator Control System Limp Home-Throttle Position Sensor 2 Position Malfunction - AutoCodes.com — P1194 Code - Throttle Actuator Control System Limp Home-Throttle Position Sensor 2 Position Malfunction

What does this mean?

What are the Possible Causes of the DTC P1194?

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

How to Fix the DTC P1194?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1194 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1194 code?

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Need Help with the Code?

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Information for Specific Makes

P1194 Buick — O2 Low Reference Circuit High Voltage (NOx Sensor 1)
P1194 Cadillac — O2 Low Reference Circuit High Voltage (NOx Sensor 1)
P1194 Chevrolet — O2 Low Reference Circuit High Voltage (NOx Sensor 1)
P1194 Dodge — HO2S Insufficient Transition Time Ratio Bank 2 Sensor 1
P1194 Ford — Engine Control Unit A/D Converter
P1194 GMC — O2 Low Reference Circuit High Voltage (NOx Sensor 1)
P1194 Hyundai — Throttle Actuator Control System Limp Home-Throttle Position Sensor 2 Position Malfunction
P1194 KIA — Throttle Actuator Control System Limp Home-Throttle Position Sensor 2 Position Malfunction

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.