P112E Cadillac Code - Intake Air Temperature Sensor 3 Circuit Intermittent
Quick Answer
The Intake Air Temperature (IAT) sensor contains a semiconductor device which changes the resistance based on the temperature (a thermistor). Common causes include Faulty Intake Air Temperature sensor, Intake Air Temperature sensor harness is open or shorted, Intake Air Temperature sensor 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
- P112E Cadillac indicates Intake Air Temperature Sensor 3 Circuit Intermittent.
- Common causes
- Common causes include Faulty Intake Air Temperature sensor, Intake Air Temperature sensor harness is open or shorted, Intake Air Temperature sensor 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 P112E Cadillac Description
What are the Possible Causes of the DTC P112E Cadillac?
- Faulty Intake Air Temperature sensor
- Intake Air Temperature sensor harness is open or shorted
- Intake Air Temperature sensor circuit poor electrical connection
How to Fix the DTC P112E Cadillac?
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 P112E Cadillac 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 P112E Cadillac Code
1. What are the common symptoms of OBDII code P112E in a Cadillac related to the Intake Air Temperature Sensor 3 Circuit Intermittent?
The common symptoms include poor engine performance, reduced fuel efficiency, and the illumination of the check engine light.
2. What are the possible causes of OBDII code P112E in a Cadillac?
Possible causes may include a faulty intake air temperature sensor, damaged wiring or connectors, sensor circuit issues, or a problem with the engine control module (ECM).
3. How can I diagnose the Intake Air Temperature Sensor 3 Circuit Intermittent issue in my Cadillac?
You can diagnose the issue by using an OBDII scanner to retrieve the specific fault code, visually inspecting the sensor and its wiring for any visible damage, and conducting electrical tests to check for proper sensor operation.
4. Is it safe to continue driving my Cadillac with the P112E fault code related to the Intake Air Temperature Sensor?
It is not recommended to drive your Cadillac with this fault code, as it can lead to engine performance issues and potential damage if left unaddressed.
5. Can I reset the OBDII code P112E related to the Intake Air Temperature Sensor in my Cadillac?
Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying issue causing the fault code to appear.
6. How can I repair the Intake Air Temperature Sensor 3 Circuit Intermittent issue in my Cadillac?
Repairing the issue may involve replacing the faulty intake air temperature sensor, repairing or replacing damaged wiring or connectors, or reprogramming the engine control module (ECM) if necessary.
7. Are there any DIY tips for addressing the P112E code in my Cadillac?
While some basic diagnostics can be done at home, it is recommended to seek assistance from a professional mechanic to properly diagnose and repair the Intake Air Temperature Sensor issue in your Cadillac.
8. How much does it typically cost to fix the Intake Air Temperature Sensor 3 Circuit Intermittent problem in a Cadillac?
The cost of repairs can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.
9. Will fixing the OBDII code P112E related to the Intake Air Temperature Sensor improve my Cadillac's performance and fuel efficiency?
Yes, addressing the Intake Air Temperature Sensor issue should help restore proper engine performance and fuel efficiency in your Cadillac.
10. How often does the Intake Air Temperature Sensor 3 Circuit Intermittent issue occur in Cadillac vehicles?
While not extremely common, this issue can occur in Cadillac vehicles, especially in older models or those with high mileage. Regular maintenance and inspections can help prevent such problems.
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