Left abs Sensor C100A - JeepForum.com
 
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post #1 of 5 Old 05-29-2020, 08:44 AM Thread Starter
Alex_
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Left abs Sensor C100A

Hello there everyone, I'm trying to figure out whats wrong with the ABS on my 2007 2wd, It has been broken for some years now and I got some replacement mopar sensors and swapped them in; I had both sides codes come up in the scanner before I changed the sensor, after changing the sensor only the C100A code remained which corresponds to the left sensor, Im not sure whats wrong with it, I don't think its the ABS module since well the right sensor is working could it be a dead new sensor?

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post #2 of 5 Old 05-29-2020, 09:15 AM
jtec
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might want to check the CIRCUIT from ABS to LF wheel sensor.

A quick start - KOEO unplug sensor measure voltage in both cavities of chassis connector.
1 should be @12v
2 less than 1 volt.

Next we need diagram with ABS pin out to check continuity sensor to module.
SORRY this is the best I can access this mornng... maybe you can blow it up and read it - no tiime
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When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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post #3 of 5 Old 05-29-2020, 12:45 PM Thread Starter
Alex_
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Quote:
Originally Posted by jtec View Post
might want to check the CIRCUIT from ABS to LF wheel sensor.

A quick start - KOEO unplug sensor measure voltage in both cavities of chassis connector.
1 should be @12v
2 less than 1 volt.

Next we need diagram with ABS pin out to check continuity sensor to module.
SORRY this is the best I can access this mornng... maybe you can blow it up and read it - no tiime
Im gonna check the FSM, see what the diagram is but thats gonna take like 1 or 2 weeks, I dont have a way to measure voltage, I have a multimeter on the way; what could be the cause of this? I dont think is the module, Maybe the abs cable that goes to the module?
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post #4 of 5 Old 05-29-2020, 02:30 PM
jtec
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the code would have you checking the CIRCUIT for a wire being - open, grounded or shorted to voltage issue,

When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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post #5 of 5 Old 05-29-2020, 06:47 PM Thread Starter
Alex_
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Quote:
Originally Posted by jtec View Post
the code would have you checking the CIRCUIT for a wire being - open, grounded or shorted to voltage issue,
Theres definetely something funky going on with the left speed sensor cable, I think I need one; I dont have the multi-meter yet but I found out I can read live data with my scanner, with the engine off the sensor is reading 8191.50 rpm, which is an impossible value, thankfully it doesn't seem to be the module, the other sensors all read 0 as they should since the engine is off and its not running, have you ever seen something like this?

Edit: for some reason the picture is sideways
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