2009 Jeep Wrangler with low tire pressure warning light repair. We set tire pressure to specification, checked for tire pressure sensor problem, installed a new tire pressure sensor, and performed a TPMS re-program and re-learn.
In This Article
Problem
Diagnosis
Causes
Best Practice
Repair
What To Expect
Cost
FAQ
Tips
Recommended Shop
Reviews
Problem Description
2009 Jeep Wrangler with Tire Pressure Warning Light on with tire pressures correctly set to factory tire pressure setting.
Jeep Tire Pressure Warning Light Diagnosis
Our Jeep technician performed a TPMS Sensor Failure Inspection. First step is to verify all tires have the correct air pressure as specified for the vehicle and tire size. Next, the technician did a scan test for TPMS sensor communication with vehicle computer.
The technician found that the passenger side front Tire Pressure Monitor Sensor was not sending a signal.
We sent the customer a detailed report of our diagnosis recommending a TPMS sensor replacement, clear TPMS error codes, perform a TPMS reprogram, and retest of the TPMS system. The customer approved the repair and we got to work.
Jeep TPMS failures often stem from dead sensor batteries, physical damage to the TPMS sensor during tire changes or corrosion, radio interference from window tint or tire chains, or faulty control modules and wiring. TPMS repair may require TPMS sensor replacement, TPMS reprogramming, or TPMS control module diagnosis of error codes.
Common TPMS Error Causes:
- Dead Sensor Batteries: Sensors have internal non-replaceable batteries that require TPMS sensor replacement when they fail. TPMS batteries have a typical life of 7-10 years.
- Physical Damage: Impact from road debris or hazards, or accidental damage during tire service can damage sensors.
- Corrosion/Aging: Moisture and time can corrode sensors and connections which cause failure.
- Improper Installation: New tires might not have compatible sensors or need re-learning or re-programming.
- Faulty Module/Wiring: Problems with the TPMS Control Module, wiring issues, or fuse failure can trigger TPMS errors.
- Radio Interference: Window tint, snow, tire chains, or even external radio signals can disrupt sensor signals. This is usually the cause of intermittent TPMS errors and warning signals.
- Software Issues: A flashing TPMS warning light often signals a system fault needing reprogramming or a bad control module. Usually this is fixed during the vehicle warranty period. Aftermarket or non-factory replacement TPMS sensors can cause software issues.
Signs of TPMS Failure:
- Steady TPMS Warning Light: Low tire pressure.
- Flashing or Intermittent TPMS Warning Light: A system malfunction or a bad sensor.
- Inaccurate Readings: Sensors provide incorrect pressure data.
TPMS Problem Solutions:
- Re-programming: After a tire rotation or sensor replacement, sensors often need to be re-programmed or re-learned. Some vehicles do this automatically, others need to be re-learned with a scan tool.
- Sensor Replacement: If the TPMS battery is dead or the sensor is damaged, the whole sensor unit must be replaced with one matching the correct frequency.
- TPMS Module or Wiring Check: A technician will need to diagnose issues with the central TPMS module or wiring.
Jeep TPMS Problem Best Practice
- If your Jeep is nearing the 7 year age expect the sensor batteries to fail. And if one sensor fails the other sensor batteries will fail soon. It will be good value to replace all TPMS sensors at once rather than one at a time.
- If only one TPMS sensor is damaged just the defective sensor can be replaced. However, if the sensors are near 7 year age or older it will be good value to change all sensors.
- The best advice for Jeep TPMS problems is to go to a repair shop that has Jeep TPMS repair experience. An experienced Jeep technician can quickly find and accurately repair TPMS problems. Hoover Street Auto Repair or State Street Auto Service are two recommended shops for Jeep repair in the Ann Arbor, MI area.
Jeep Tire Pressure Warning Light Repair
Our Jeep technician removed the passenger front wheel from vehicle, used a tire machine to dismount the tire bead to gain access to and remove tire pressure monitor sensor from wheel. They cleaned the wheel's sensor mounting surface to prevent air leaks, installed a new TPMS sensor, and remounted the tire.
After installing the wheel onto the vehicle, the technician used a scan tool to place the vehicle into learn mode, and performed tire pressure monitor sensor programming. Next, they did a road test to verify the issue with tire pressure monitor system was fixed. The customer was contacted and told their Jeep was repaired and ready to be picked up.
During this repair a new Tire Pressure Monitoring System (TPMS) Programmable Sensor was installed and the TPMS system was reprogrammed.
What To Expect
What to expect with a Jeep TPMS problem repair:
- If your Jeep is used off-road or on rough roads expect TPMS sensors to get damaged and require TPMS replacement. Some Jeep owners have a second set of wheels and tires with no TPMS sensors for off-road use.
- Off-road use on rough roads can also cause wiring and electrical connector problems. Especially if any water crossings are done. Finding and repair moisture and corrosion problems on Jeeps can be time consuming, expensive repair.
- Diagnosis will require using a scan tool to check for error codes, diagnose electrical problems, and to re-program or re-learn the TPMS system.
Jeep TPMS Repair Cost
Like most automotive parts, quality and price of TPMS sensors vary greatly. Original factory parts will be the most expensive, but usually the best quality and provide the longest life. Aftermarket TPMS sensors can have quality issues and most shops will sell sensors that have proven to be reliable.
Jeep TPMS sensor Replacement Price
How much does it cost to replace a TPMS sensor?
How much does a 2009 Jeep Wrangler TPMS sensor replacement cost?
How much does it cost to replace a TPMS sensor on a Jeep Wrangler?
The national average cost of a 2009 Jeep Wrangler TPMS sensor replacement, including parts and reprogramming, averages from $125 to $176.
The national average cost for a Jeep Wrangler Tire Pressure Monitor Control Module Replacement, including parts, is between $240 and $259.
The national average cost for a Jeep Wrangler Tire Pressure Monitoring System Relearn reprogram is from $30 to $49.
The national average cost for a Jeep Wrangler Tire Pressure Monitor Lamp Diagnosis is between $87 and $115.
The price will vary depending on the location of the repair shop within the country, shop management, vehicle year, make, model, options, and the quality of the replacement parts chosen.
Diagnosis of the problem, related repairs required to complete the repair, shop supplies, environmental and disposal fees, and taxes are not included.
For a more accurate estimate based on your location and particular vehicle, you should contact a local auto repair shop.
Jeep TPMS Tips
If the TPMS problem is caused by a dead sensor battery, it will be better value to replace all TPMS sensors at the same time. Experience has shown that TPMS batteries have roughly the same life and when one dies the other sensors will quit soon after the first. Replacing sensors one at a time would require paying for diagnosis and reprogramming each time, rather just once for them all.
If the TPMS problem is caused by a failed or damaged sensor, and the vehicle is less than five years old, it is best value to replace only the bad TPMS sensor.
Jeep TPMS FAQ
Why do TPMS sensors fail?
There are two main causes that a TPMS stops working and displays a warning light.
First, each TPMS Sensor has a non-replaceable battery. When the TPMS battery reaches the end of its life the sensor must be replaced.
The second cause of a TPMS warning is the failure of the TPMS sensor unit. This failure can be caused by a technical problem with the sensor, or the sensor can be damaged when a tire is removed for a flat repair.
In either case, the TPMS sensor must be replaced and the TPMS system reprogrammed.
Do I have to replace all 4 TPMS sensors at the same time?
If one of your TPMS sensors fails and needs replacement, you can replace it individually. However, if the failure was caused by a dead sensor battery, it's likely that the other sensors are close to failing as well, and it is better value to replace all sensors at the same time. Given the cost of TPMS sensors, most drivers will choose to replace TPMS sensors on an as needed basis, but this may be poor value if the vehicle is seven years old or more.
What is the lifespan of a TPMS sensor?
The average TPMS sensor lifespan is 5-10 years.