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Jeep Wrangler JK
JK General Discussion
Troubleshoot Wheel Speed Sensors with JScan
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<blockquote data-quote="JerryD" data-source="post: 440843" data-attributes="member: 17662"><p>For the wheel sensors, it seems that as soon as the fault condition is met, it triggers the lights. I don't recall if it always sets a code, either. Other circuits may not be polled as often as a wheel sensor so intermittent problems wouldn't necessarily trip a fault as soon as one happens (guess, not fact). Since the wheel sensor value is constantly polled, it makes sense a fault would light up the dash. </p><p></p><p>If it continues to happen randomly after replacing it with the new OEM sensor, I would suspect a harness related issue. Take the time to inspect the connector and harness when you replace the sensor.</p></blockquote><p></p>
[QUOTE="JerryD, post: 440843, member: 17662"] For the wheel sensors, it seems that as soon as the fault condition is met, it triggers the lights. I don't recall if it always sets a code, either. Other circuits may not be polled as often as a wheel sensor so intermittent problems wouldn't necessarily trip a fault as soon as one happens (guess, not fact). Since the wheel sensor value is constantly polled, it makes sense a fault would light up the dash. If it continues to happen randomly after replacing it with the new OEM sensor, I would suspect a harness related issue. Take the time to inspect the connector and harness when you replace the sensor. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Troubleshoot Wheel Speed Sensors with JScan
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