U2149 Pontiac Code - Lost Communication With Tire Pressure Monitor System
Quick Answer
Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Tire Pressure Monitor (TPM) Module, Tire Pressure Monitor Module harness is open or shorted, Tire Pressure Monitor Module 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
- U2149 Pontiac indicates Lost Communication With Tire Pressure Monitor System.
- Common causes
- Common causes include Faulty Tire Pressure Monitor (TPM) Module, Tire Pressure Monitor Module harness is open or shorted, Tire Pressure Monitor Module 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 U2149 Pontiac Description
What are the Possible Causes of the DTC U2149 Pontiac?
- Faulty Tire Pressure Monitor (TPM) Module
- Tire Pressure Monitor Module harness is open or shorted
- Tire Pressure Monitor Module circuit poor electrical connection
How to Fix the DTC U2149 Pontiac?
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 U2149 Pontiac 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 U2149 Pontiac Code
1. What are the common symptoms of OBDII code U2149 in a Pontiac related to lost communication with the Tire Pressure Monitor System?
- Common symptoms include a TPMS warning light on the dashboard, inaccurate or missing tire pressure readings, and potential issues with the vehicle's stability control system.
2. What can cause the U2149 code in a Pontiac indicating a communication problem with the TPMS?
- Possible causes include damaged or faulty TPMS sensors, wiring issues, a malfunctioning TPMS module, or a problem with the vehicle's electronic control module.
3. How can I diagnose the U2149 code in my Pontiac related to the TPMS communication failure?
- Diagnosis typically involves using an OBDII scanner to retrieve the specific fault code, checking the TPMS sensors for proper operation, inspecting wiring connections, and testing the TPMS module for functionality.
4. Are there any DIY repair tips for addressing the U2149 code in a Pontiac due to a lost connection with the TPMS?
- DIY enthusiasts can start by ensuring all TPMS sensors are properly installed and functioning, checking for any visible wiring damage, and resetting the TPMS system according to the vehicle's manual.
5. Can driving with the U2149 code in a Pontiac indicating TPMS communication issues cause any safety concerns?
- Driving with a malfunctioning TPMS system can potentially lead to incorrect tire pressure readings, affecting vehicle handling and safety. It is recommended to address the issue promptly.
6. Is it necessary to visit a dealership or mechanic to fix the U2149 code related to the TPMS in a Pontiac?
- While some DIY troubleshooting and repairs are possible, consulting a professional technician, especially for complex electrical issues or module replacements, is recommended to ensure proper diagnosis and resolution.
7. How much does it typically cost to repair the U2149 code indicating a lost connection with the TPMS in a Pontiac?
- Repair costs can vary depending on the specific cause of the issue. Simple fixes like sensor replacement may cost less, while complex repairs involving module replacements or wiring repairs can be more expensive.
8. Can resetting the TPMS system resolve the U2149 code in a Pontiac, or is a more in-depth repair usually required?
- In some cases, a simple TPMS reset may resolve communication issues and clear the code. However, if the problem persists, further diagnosis and repairs may be necessary to address the underlying cause.
9. How long can I safely drive with the U2149 code related to the TPMS communication problem in my Pontiac before getting it repaired?
- It is recommended to address the TPMS communication issue promptly to ensure accurate tire pressure monitoring and vehicle safety. Extended driving with the issue unresolved is not advisable.
10. Will fixing the U2149 code in a Pontiac due to lost communication with the TPMS affect the vehicle's overall performance or fuel efficiency?
- Resolving the TPMS communication problem should restore accurate tire pressure monitoring, potentially improving vehicle handling, safety, and fuel efficiency by maintaining proper tire pressures.
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