P0112 Volkswagen Code - Intake Air Temperature Circuit Low Input
Quick Answer
The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. Common causes include Faulty Intake Air Temperature (IAT) sensor, Dirty air filter, Intake Air Temperature (IAT) sensor harness is open or shorted. 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
- P0112 Volkswagen indicates Intake Air Temperature Circuit Low Input.
- Common causes
- Common causes include Faulty Intake Air Temperature (IAT) sensor, Dirty air filter, Intake Air Temperature (IAT) sensor harness is open or shorted.
- 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 P0112 Volkswagen Description
What are the Possible Causes of the DTC P0112 Volkswagen?
- Faulty Intake Air Temperature (IAT) sensor
- Dirty air filter
- Intake Air Temperature (IAT) sensor harness is open or shorted
- Intake Air Temperature (IAT) sensor circuit poor electrical connection
How to Fix the DTC P0112 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 P0112 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.
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Frequently Asked Questions about P0112 Volkswagen Code
1. What are common symptoms of OBDII code P0112 in a Volkswagen?
- Common symptoms include poor engine performance, rough idling, decreased fuel efficiency, and potential stalling.
2. What causes the OBDII code P0112 in a Volkswagen?
- The code is typically triggered by a faulty intake air temperature (IAT) sensor, damaged wiring or connectors, or issues with the engine control module (ECM).
3. How can I diagnose the cause of the OBDII code P0112 in my Volkswagen?
- You can use a multimeter to test the IAT sensor's resistance, inspect the wiring for any damage, and check the connectors for corrosion or loose connections.
4. Can a dirty air filter trigger the OBDII code P0112 in a Volkswagen?
- Yes, a clogged air filter can disrupt the IAT sensor readings and potentially lead to the code being triggered.
5. Is it safe to continue driving my Volkswagen with the OBDII code P0112 present?
- It is generally not recommended to drive with this code as it can affect engine performance and fuel efficiency. It's best to address the issue promptly.
6. How can I reset the OBDII code P0112 in my Volkswagen?
- You can reset the code using an OBDII scanner or by disconnecting the car's battery for a few minutes. However, the underlying issue should still be addressed.
7. Are there any DIY repair tips for fixing the OBDII code P0112 in a Volkswagen?
- DIY repairs may include replacing the IAT sensor, repairing damaged wiring, or cleaning the connectors. However, if unsure, it's best to consult a professional.
8. Can extreme weather conditions trigger the OBDII code P0112 in a Volkswagen?
- Yes, extreme heat or cold can affect the IAT sensor readings and potentially cause the code to be triggered.
9. Will the OBDII code P0112 cause my Volkswagen to fail an emissions test?
- Yes, the code can indicate a problem with the vehicle's emissions system, which may lead to a failed emissions test.
10. How much does it typically cost to repair the OBDII code P0112 issue in a Volkswagen?
- The cost of repairs can vary depending on the specific cause of the code, but it may range from $50 to $200 for parts and labor.
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