Finding a Fix: Troubleshooting Customer TPMS Problems Fresno CA
Low profile tires with short, stiff sidewalls change diameter less than tires with tall aspect ratios that have more compliant sidewalls. Consequently, a loss of 10 psi in a low profile tire may only change the diameter of the tire less than 1mm (0.040 inches). Most ABS-based systems cannot detect changes smaller than 1 mm. For this reason, indirect ABS-based TPMS systems are not as sensitive as the newer direct systems which have a pressure sensor inside each wheel.
Triple A Automotive
(559) 321-7103
906 Barstow
Clovis, CA
Triple A Automotive
(559) 321-7103
906 Barstow
Clovis, CA 93612
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Goodguys Tire Center
(559) 221-1438
4140 N Blackstone Avenue
Fresno, CA
(559) 221-1438
4140 N Blackstone Avenue
Fresno, CA 93726
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Auto Service & Repair, Auto Tire Shop Equipment & Supplies, Wheels & Tires Service & Repair
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90 Days Same as Cash, 90 Days Same-As Cash OAC
Goodguys Tire Center
(559) 237-9383
2530 N Weber Avenue
Fresno, CA
(559) 237-9383
2530 N Weber Avenue
Fresno, CA 93705
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Auto Service & Repair, Auto Tire Shop Equipment & Supplies
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Goodguys Tire Center
(559) 277-8030
4119 W Shaw Avenue
Fresno, CA
(559) 277-8030
4119 W Shaw Avenue
Fresno, CA 93722
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Auto Service & Repair, Auto Tire Shop Equipment & Supplies
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Extreme Off Road & Repair
(559) 323-8222
1320 Brookhaven Drive
Clovis, CA
(559) 323-8222
1320 Brookhaven Drive
Clovis, CA 93612
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Belmont Tire & Automotive
(559) 485-8970
1449 E Belmont Avenue
Fresno, CA
Belmont Tire & Automotive
(559) 485-8970
1449 E Belmont Avenue
Fresno, CA 93701
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Auto Service & Repair, Brakes Service & Repair, Auto Tire Shop Equipment & Supplies, Auto Transmissions
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D & R Automotive of Fresno Inc
(559) 266-6060
901 M Street
Fresno, CA
D & R Automotive of Fresno Inc
(559) 266-6060
901 M Street
Fresno, CA 93721
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Goodguys Tire Center
(559) 431-9203
6760 N Blackstone Avenue
Fresno, CA
(559) 431-9203
6760 N Blackstone Avenue
Fresno, CA 93710
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Mon-Fri Weekdays
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Goodguys Tire Center
(559) 252-3771
4830 E Kings Canyon Road
Fresno, CA
(559) 252-3771
4830 E Kings Canyon Road
Fresno, CA 93727
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Auto Service & Repair, Auto Tire Shop Equipment & Supplies
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Mon-Fri Weekdays
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Goodguys Tire Center
(559) 297-0063
1425 Herndon Avenue
Clovis, CA
(559) 297-0063
1425 Herndon Avenue
Clovis, CA 93611
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Auto Service & Repair, Auto Tire Shop Equipment & Supplies
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90 Days Same as Cash
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The history of how we got to this point with TPMS is not important. It’s here, and tire dealers have learned to deal with it. The next question deals with how we learn to troubleshoot TPMS for our customers, who at this point know virtually nothing about it.
The early version of TPMS, the indirect system, was first used on 1999 to 2003 model year OE applications. There were TPMS trial applications dating back to the late 1980s, but they clearly needed more work. OEMs abandoned those early systems in favor of the more reliable indirect system, and ultimately the direct systems that are most prevalent today.
Because you are still servicing both systems, we’ll start with the indirect system since there are so many vehicles out there equipped with this version. First, it’s an ABS-based system. If a tire loses air, the diameter of the tire shrinks slightly, causing it to rotate at a slightly faster rate than the other three tires.
But on most applications a tire has to lose anywhere from 8 to 14 pounds of air pressure before there’s enough of a difference in overall diameter to be detected by the wheel speed sensors. This depends on the type of tire, the tire’s diameter, aspect ratios and the sensitivity of the ABS system. They sure didn’t make it easy to troubleshoot did they?
Low profile tires with short, stiff sidewalls change diameter less than tires with tall aspect ratios that have more compliant sidewalls. Conse&... |
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