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Jeep Wrangler JK Resources
JK How-to Guides
Why is the TPMS light on on my Jeep Wrangler JK?
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<blockquote data-quote="Chris" data-source="post: 420221" data-attributes="member: 1"><p>Your TPMS is there to indicate when your tire pressure is below the recommended level. In most cases this will be the culprit, but there are other circumstances that could trigger the light such as a routine tire rotation, or getting a new set of tires. If your TPMS light is on constantly, then it's directly related to tire pressure, but if the light is blinking, then something is wrong with the system and you'll need to take it in to a dealership. Keep reading for suggestions on getting the light to shut off.</p><p></p><p><span style="font-size: 18px"><strong>Step 1 – Check the tire pressure</strong></span></p><p>There is a sticker on your Jeep that will tell you at what PSI the tires should be kept. This is typically around 37 PSI. Check the tire pressure on all four tires with a tire pressure gauge to ensure it's at the recommended amount. If not, then increase the tire pressure with an air pump until it meets the recommended level.</p><p></p><p>[ATTACH=full]113445[/ATTACH]</p><p>Figure 1. Use a tire pressure gauge to check the tire pressure.</p><p></p><p><strong>Pro Tip</strong></p><p>An important thing to consider is that the recommended tire pressure is for when the tires are cold. Don't add air to your tires after driving on them. To be extra sure, wait until morning or late evening before adding air to your tires.</p><p></p><p><span style="font-size: 18px"><strong>Step 2 – Drive around for a bit</strong></span></p><p>It might seem strange, but it's perfectly reasonable to ignore the light. If you've just fixed the tire pressure, or perhaps you've recently done a tire rotation or installed new tires, then it can sometimes trigger the light because the sensors in the tires need to adjust. It typically take 5-10 miles of driving for the sensors to fully adjust.</p><p></p><p><span style="font-size: 18px"><strong>Step 3 – Check for leaks</strong></span></p><p>Recheck your tire pressure after driving for a bit. If it's lower than when you last checked, then you may have a leak on your hand. The TPMS is useful for spotting leaks because it will usually tell you which tire has low pressure. Lift the Jeep with a jack and inspect the problem tire carefully. If you find any tears or holes in the rubber you can either patch it or replace the tire completely.</p><p></p><p>[ATTACH=full]113446[/ATTACH]</p><p>Figure 2. Some JK models show you which tires have low pressure.</p><p></p><p><span style="font-size: 18px"><strong>Step 4 – Make sure you have the correct sensors installed</strong></span></p><p>If you have a 2013 or newer Jeep Wrangler JK, then there is a possibility that the wrong sensors are installed to your tires. An easy way to check is to write down your Jeep's VIN number and plug that info into the Mopar Parts Website. That should list the part number for the correct sensors for your Jeep. If you need to install new sensors, you'll also need to install new gaskets to prevent leaks after installing the sensors.</p><p></p><p>Figure 3. TPMS is located inside the tire and is attached to the valve stem.</p><p></p><p><span style="font-size: 18px"><strong>Step 5 – Try reprogramming your sensors</strong></span></p><p>Flash programmers such as the ProCal module or the Superchips Flashcal are designed to work with the Wrangler JK. These programmers give you the option to adjust the PSI level that triggers your TPMS sensors or to even turn off the TPMS sensors entirely. However, this does mean that you'll lose the functionality of the TPMS.</p><p></p><p>[ATTACH=full]113447[/ATTACH]</p><p>Figure 4. Use programmers like this one to adjust or turn off your TPMS.</p><p></p><p><span style="font-size: 18px"><strong>Step 6 – Unplug the battery</strong></span></p><p>It is possible that the TPMS is stuck in a triggered state. Unplugging the car battery and leaving it unplugged for 5 to 10 minutes will reset the TPMS along with everything else. Doing this means you'll lose your clock and radio settings as well.</p><p></p><p>[ATTACH=full]113448[/ATTACH]</p><p>Figure 5. Disconnect the battery.</p></blockquote><p></p>
[QUOTE="Chris, post: 420221, member: 1"] Your TPMS is there to indicate when your tire pressure is below the recommended level. In most cases this will be the culprit, but there are other circumstances that could trigger the light such as a routine tire rotation, or getting a new set of tires. If your TPMS light is on constantly, then it's directly related to tire pressure, but if the light is blinking, then something is wrong with the system and you'll need to take it in to a dealership. Keep reading for suggestions on getting the light to shut off. [SIZE=18px][B]Step 1 – Check the tire pressure[/B][/SIZE] There is a sticker on your Jeep that will tell you at what PSI the tires should be kept. This is typically around 37 PSI. Check the tire pressure on all four tires with a tire pressure gauge to ensure it's at the recommended amount. If not, then increase the tire pressure with an air pump until it meets the recommended level. [ATTACH=full]113445[/ATTACH] Figure 1. Use a tire pressure gauge to check the tire pressure. [B]Pro Tip[/B] An important thing to consider is that the recommended tire pressure is for when the tires are cold. Don't add air to your tires after driving on them. To be extra sure, wait until morning or late evening before adding air to your tires. [SIZE=18px][B]Step 2 – Drive around for a bit[/B][/SIZE] It might seem strange, but it's perfectly reasonable to ignore the light. If you've just fixed the tire pressure, or perhaps you've recently done a tire rotation or installed new tires, then it can sometimes trigger the light because the sensors in the tires need to adjust. It typically take 5-10 miles of driving for the sensors to fully adjust. [SIZE=18px][B]Step 3 – Check for leaks[/B][/SIZE] Recheck your tire pressure after driving for a bit. If it's lower than when you last checked, then you may have a leak on your hand. The TPMS is useful for spotting leaks because it will usually tell you which tire has low pressure. Lift the Jeep with a jack and inspect the problem tire carefully. If you find any tears or holes in the rubber you can either patch it or replace the tire completely. [ATTACH=full]113446[/ATTACH] Figure 2. Some JK models show you which tires have low pressure. [SIZE=18px][B]Step 4 – Make sure you have the correct sensors installed[/B][/SIZE] If you have a 2013 or newer Jeep Wrangler JK, then there is a possibility that the wrong sensors are installed to your tires. An easy way to check is to write down your Jeep's VIN number and plug that info into the Mopar Parts Website. That should list the part number for the correct sensors for your Jeep. If you need to install new sensors, you'll also need to install new gaskets to prevent leaks after installing the sensors. Figure 3. TPMS is located inside the tire and is attached to the valve stem. [SIZE=18px][B]Step 5 – Try reprogramming your sensors[/B][/SIZE] Flash programmers such as the ProCal module or the Superchips Flashcal are designed to work with the Wrangler JK. These programmers give you the option to adjust the PSI level that triggers your TPMS sensors or to even turn off the TPMS sensors entirely. However, this does mean that you'll lose the functionality of the TPMS. [ATTACH=full]113447[/ATTACH] Figure 4. Use programmers like this one to adjust or turn off your TPMS. [SIZE=18px][B]Step 6 – Unplug the battery[/B][/SIZE] It is possible that the TPMS is stuck in a triggered state. Unplugging the car battery and leaving it unplugged for 5 to 10 minutes will reset the TPMS along with everything else. Doing this means you'll lose your clock and radio settings as well. [ATTACH=full]113448[/ATTACH] Figure 5. Disconnect the battery. [/QUOTE]
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Jeep Wrangler JK Resources
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Why is the TPMS light on on my Jeep Wrangler JK?
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