P0098 GMC Code - Intake Air Temperature Sensor 2 Circuit High
Quick Answer
The Intake Air Temperature (IAT) sensor 1 is a variable resistor that changes the voltage on the Engine Control Module (ECM) supplied 5 V signal circuit. Common causes include Faulty Intake Air Temperature (IAT) 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
- P0098 GMC indicates Intake Air Temperature Sensor 2 Circuit High.
- Common causes
- Common causes include Faulty Intake Air Temperature (IAT) 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 P0098 GMC Description
What are the Possible Causes of the DTC P0098 GMC?
- Faulty Intake Air Temperature (IAT) sensor
- Intake Air Temperature sensor harness is open or shorted
- Intake Air Temperature sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0098 GMC?
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.
Code Tech Notes
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What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0098 GMC 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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Information for Specific GMC Models
- P0098 2014 GMC Sierra — Intake Air Temperature Sensor 2 Circuit High
- P0098 2015 GMC Sierra — Intake Air Temperature Sensor 2 Circuit High
- P0098 2016 GMC Sierra — Intake Air Temperature Sensor 2 Circuit High
- P0098 2017 GMC Sierra — Intake Air Temperature Sensor 2 Circuit High
- P0098 2018 GMC Sierra — Intake Air Temperature Sensor 2 Circuit High
Frequently Asked Questions about P0098 GMC Code
1. What are the common symptoms of OBDII code P0098 in a GMC vehicle?
- Common symptoms include poor engine performance, rough idling, decreased fuel efficiency, and the illumination of the check engine light.
2. What does the OBDII code P0098 in a GMC indicate?
- The code P0098 indicates a high voltage condition in the Intake Air Temperature Sensor 2 circuit of the GMC vehicle.
3. What are the possible causes of OBDII code P0098 in a GMC related to the Intake Air Temperature Sensor?
- Possible causes include a faulty Intake Air Temperature Sensor, damaged wiring or connectors, a poor electrical connection, or a problem with the sensor circuit.
4. How can I diagnose the issue causing OBDII code P0098 in my GMC related to the Intake Air Temperature Sensor?
- Diagnosing the issue involves checking the sensor for proper operation, inspecting the wiring and connectors for damage, and testing the sensor circuit for continuity and voltage.
5. Can I drive my GMC with OBDII code P0098 present?
- It is not recommended to drive the vehicle with the code P0098 present, as it can lead to poor engine performance and potential damage if left unresolved.
6. How do I repair OBDII code P0098 in a GMC related to the Intake Air Temperature Sensor?
- Repairing the issue may involve replacing the Intake Air Temperature Sensor, repairing or replacing damaged wiring or connectors, and ensuring proper electrical connections.
7. Will resetting the check engine light clear OBDII code P0098 in my GMC?
- Resetting the check engine light may temporarily clear the code, but it will likely return if the underlying issue causing the code is not addressed.
8. Is it possible to prevent OBDII code P0098 in a GMC related to the Intake Air Temperature Sensor?
- Regular maintenance, including inspecting the sensor and its connections, can help prevent issues that may trigger the code P0098 in a GMC.
9. How much does it typically cost to fix OBDII code P0098 in a GMC at a mechanic or dealership?
- The cost of fixing OBDII code P0098 can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.
10. Can a DIY enthusiast fix OBDII code P0098 in a GMC, or is it best left to professionals?
- Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to fix OBDII code P0098 by following repair guides and using proper diagnostic equipment.
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