P1172 Audi Code - Throttle Actuation Potentiometer Signal 2 Signal Too Low
Quick Answer
P1172 Audi 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 Audi 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 Audi Description
What are the Possible Causes of the DTC P1172 Audi?
- 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 Audi?
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 Audi 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.
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Frequently Asked Questions about P1172 Audi Code
What does the OBDII code P1172 on an Audi mean?
P1172 indicates that the throttle actuation potentiometer signal 2 is reading too low, suggesting a problem with the throttle body or its sensor.
What are the common symptoms of the P1172 code in an Audi?
Symptoms may include reduced engine performance, hesitation during acceleration, poor fuel efficiency, and the check engine light illuminating.
What causes the P1172 code to appear on an Audi?
Common causes include a faulty throttle body, damaged throttle position sensor, wiring issues, or a malfunction in the electronic control unit (ECU).
Can a dirty throttle body trigger the P1172 code on an Audi?
Yes, a dirty or clogged throttle body can restrict movement and cause incorrect sensor readings, potentially triggering the P1172 code.
How can I diagnose the P1172 code on an Audi?
Start by inspecting the throttle body, potentiometer, and wiring for damage or dirt. Use a multimeter to check sensor voltage and scan for related codes.
Can driving with the P1172 code damage my Audi?
Driving with this code may lead to reduced performance and further damage to the throttle system, so it’s best to address the issue promptly.
How do I fix the P1172 code on my Audi?
Repairs may involve cleaning or replacing the throttle body, fixing damaged wiring, or replacing the throttle position sensor.
Does the P1172 code require professional assistance for repair?
If you’re experienced with automotive repairs, you can attempt diagnostics and repairs. Otherwise, it’s best to seek help from a qualified mechanic.
Can a software update resolve the P1172 code on an Audi?
In some cases, an ECU software update can resolve sensor communication errors, but mechanical issues should be ruled out first.
What tools are needed to fix the P1172 code on an Audi?
You’ll need a diagnostic scanner, multimeter, basic hand tools, and throttle body cleaner to address most causes of the P1172 code.
Discuss the causes and fixes for P1172 Audi OBDII Code
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