P1172 Volkswagen Code - Throttle Actuation Potentiometer Signal 2 Signal Too Low
Quick Answer
P1172 Volkswagen indicates Throttle Actuation Potentiometer Signal 2 Signal Too Low. Common causes include Faulty Throttle Position Sensor (TPS), Throttle Position Sensor (TPS) harness is open or shorted, Throttle Position Sensor (TPS) circuit poor electrical connection. 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
- P1172 Volkswagen indicates Throttle Actuation Potentiometer Signal 2 Signal Too Low.
- Common causes
- Common causes include Faulty Throttle Position Sensor (TPS), Throttle Position Sensor (TPS) harness is open or shorted, Throttle Position Sensor (TPS) circuit poor electrical connection.
- 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.
Code P1172 Volkswagen Description
What are the Possible Causes of the DTC P1172 Volkswagen?
- Faulty Throttle Position Sensor (TPS)
- Throttle Position Sensor (TPS) harness is open or shorted
- Throttle Position Sensor (TPS) circuit poor electrical connection
- Faulty Throttle Drive electric motor
- Faulty Throttle Valve Control Module
How to Fix the DTC P1172 Volkswagen?
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 P1172 Volkswagen 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 P1172 Volkswagen code?
Need more information on how to fix the P1172 Volkswagen code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1172 Volkswagen code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1172 Volkswagen Code
What does the OBDII code P1172 mean on a Volkswagen?
P1172 indicates that the throttle actuation potentiometer signal 2 is too low, suggesting an issue with the throttle position sensor (TPS) or its circuit.
What are common symptoms of the P1172 code in a Volkswagen?
Symptoms may include poor acceleration, engine hesitation, stalling, reduced fuel efficiency, and the check engine light illuminating.
What causes the P1172 code to appear on a Volkswagen?
The code can be triggered by a faulty throttle position sensor, damaged or corroded wiring, loose electrical connections, or issues with the throttle body itself.
Can I drive my Volkswagen with the P1172 code?
Driving with this code is not recommended, as it may lead to poor engine performance, reduced safety, and potential damage to other components.
How do I diagnose the P1172 code on my Volkswagen?
Start by inspecting the throttle position sensor, wiring, and connectors for damage. Use a scan tool to monitor real-time TPS data to confirm signal irregularities.
How do I fix the P1172 code on a Volkswagen?
Repairs may include replacing the throttle position sensor, repairing damaged wiring or connectors, or cleaning/replacing the throttle body if it’s malfunctioning.
Can a dirty throttle body trigger the P1172 code?
Yes, a dirty or clogged throttle body can cause improper sensor readings, potentially triggering the P1172 code.
How much does it cost to repair the P1172 code on a Volkswagen?
Repair costs can vary from $100 to $400, depending on whether the throttle position sensor or other components like the throttle body need replacement.
Will clearing the P1172 code with a scan tool fix the problem?
Clearing the code will turn off the check engine light temporarily, but the underlying issue must be resolved to prevent the code from returning.
Does the P1172 code require throttle body calibration after repairs?
In some cases, after replacing or cleaning the throttle body or TPS, recalibration using a scan tool may be necessary to restore proper functionality.
Discuss the causes and fixes for P1172 Volkswagen OBDII Code
Code P1172 Volkswagen comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
