AutoCodes – Generic – P2199

P2199 Code - Intake Air Temperature Sensor 1/2 Correlation

Quick Answer

The Engine Control Module (ECM) monitors the Intake Air Temperature (IAT) sensor reading closely. Common causes include Faulty Intake Air Temperature (IAT), Intake Air Temperature (IAT) harness is open or shorted, Intake Air Temperature (IAT) 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: P2199 indicates Intake Air Temperature Sensor 1/2 Correlation.
Common causes: Common causes include Faulty Intake Air Temperature (IAT), Intake Air Temperature (IAT) harness is open or shorted, Intake Air Temperature (IAT) 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.

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Code Popularity 21,995

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2199 Description

The Engine Control Module (ECM) monitors the Intake Air Temperature (IAT) sensor reading closely. The P2199 code is set when the ECM detects out of range IAT sensor 1 and 2 readings.

OBDII Code P2199 - Intake Air Temperature Sensor 1/2 Correlation - AutoCodes.com — P2199 Code - Intake Air Temperature Sensor 1/2 Correlation

What does this mean?

What are the Possible Causes of the DTC P2199?

Faulty Intake Air Temperature (IAT)
Intake Air Temperature (IAT) harness is open or shorted
Intake Air Temperature (IAT) circuit poor electrical connection

How to Fix the DTC P2199?

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 P2199 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 P2199 code?

Need more information on how to fix the P2199 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2199 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P2199 Acura — Intake Air Temperature Sensor 1/2 Correlation
P2199 Buick — Intake Air Temperature Sensor 1-2 Not Plausible
P2199 Cadillac — Intake Air Temperature Sensor 1-2 Not Plausible
P2199 Chevrolet — Intake Air Temperature Sensor 1-2 Not Plausible
P2199 Dodge — Intake Air Temperature Sensor 1/2 Correlation
P2199 Ford — Intake Air Temperature Sensor 1/2 Correlation
P2199 GMC — Intake Air Temperature Sensor 1-2 Not Plausible
P2199 Honda — Intake Air Temperature Sensor 1/2 Correlation
P2199 Lincoln — Intake Air Temperature Sensor 1/2 Correlation
P2199 Mercury — Intake Air Temperature Sensor 1/2 Correlation

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2199 Code

1. What are the common symptoms of OBDII code P2199?

- Common symptoms include poor engine performance, reduced fuel efficiency, and the illumination of the check engine light.

2. What does the OBDII code P2199 indicate?

- This code indicates a correlation issue between the intake air temperature sensor 1 and 2 in the engine's intake system.

3. What are the possible causes of OBDII code P2199?

- Possible causes include a faulty intake air temperature sensor, damaged wiring or connectors, intake air leaks, or issues with the engine control module.

4. How can I diagnose the intake air temperature sensor 1/2 correlation issue?

- Diagnosing this issue typically involves using an OBDII scanner to retrieve the specific fault code, conducting a visual inspection of the intake air temperature sensors, and checking for any wiring or connector damage.

5. Can I drive my vehicle with OBDII code P2199?

- While the vehicle may still be operable with this code, it is recommended to address the issue promptly to prevent potential damage to the engine and to restore optimal performance.

6. How can I repair OBDII code P2199?

- Repairing this code may involve replacing the faulty intake air temperature sensor, repairing damaged wiring or connectors, fixing any intake air leaks, or reprogramming the engine control module.

7. Will resetting the check engine light resolve OBDII code P2199?

- Resetting the check engine light may temporarily clear the code, but it will not fix the underlying issue causing the intake air temperature sensor 1/2 correlation problem.

8. Are there any DIY tips for troubleshooting OBDII code P2199?

- DIY tips include visually inspecting the intake air temperature sensors and their connections, checking for any visible damage, and ensuring proper installation.

9. Does OBDII code P2199 affect emissions compliance?

- Yes, unresolved issues related to this code can potentially affect emissions compliance and may lead to a failed emissions test.

10. How can I prevent OBDII code P2199 from recurring?

- Regular maintenance, such as checking and replacing air filters as needed, inspecting intake system components, and addressing any engine performance issues promptly, can help prevent the recurrence of this code.