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| 2012 Liberty KK Traction and ABS light on. Any Help? http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=88&t=82666 |
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| Author: | CorporeSano [ Wed Jul 22, 2015 6:18 pm ] |
| Post subject: | 2012 Liberty KK Traction and ABS light on. Any Help? |
Today the Traction Control and ABS lights came on solid and remained on. I went to auto zone to have the code read and they were unable to pull any codes.. Does anyone in here have a good suggestion of what is going on or a list of components that could have caused this ? 2012 Liberty Sport KK 53,000 Miles V6 
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| Author: | RenegadeKC [ Wed Jul 22, 2015 9:49 pm ] |
| Post subject: | Re: 2012 Liberty KK Traction and ABS light on. Any Help? |
My '10 did something similar to this. It ended up being the brake lamp switch (little plastic box under the brake pedal). |
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| Author: | CorporeSano [ Thu Jul 23, 2015 2:49 pm ] |
| Post subject: | Re: 2012 Liberty KK Traction and ABS light on. Any Help? |
Regegde.. What were your exact trouble lights that were illuminated ? Did you have brake lights out ? |
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| Author: | CorporeSano [ Thu Jul 23, 2015 2:52 pm ] |
| Post subject: | Re: 2012 Liberty KK Traction and ABS light on. Any Help? |
Well as usual I'll end up figuring this out on my own... Heres the diagnostic code from a bosch reader from tires plus.  And the following is related to the code in the readout.. C1035-RIGHT REAR WHEEL SPEED COMPARATIVE PERFORMANCEFor a complete wiring diagram Refer to Section 8W. When Monitored: With the ignition on. Set Condition: When the Right Rear Wheel Speed Sensor (WSS) reading is different from the readings received from the other sensors at a vehicle speed above 40 km/h (25 mph). The Anti-Lock Brake Module compares WSS readings from side-to-side on an axle and front-to-rear. Possible Causes RIGHT REAR WSS LOOSE — B1, B2 CIRCUITS/CONNECTOR/TERMINAL DAMAGE IMPROPER RIGHT REAR TIRE PRESSURE/MISMATCHED TIRES RIGHT REAR TONE WHEEL/BEARING DAMAGE RIGHT REAR WSS ANTI-LOCK BRAKE MODULE Diagnostic Test1. CHECK FOR DTC C1035-RIGHT REAR WHEEL SPEED COMPARATIVE PERFORMANCE NOTE: This DTC must be active for the results of this test to be valid. Turn the ignition on. With the scan tool, record and erase DTCs. Road test the vehicle over 40 km/h (25 mph). NOTE: Vehicle must be driven above 40 km/h (25 mph) for set conditions to be met. With the scan tool, read DTCs. Does the scan tool display: C1035-RIGHT REAR WHEEL SPEED COMPARATIVE PERFORMANCE active?YesGo To 3 NoGo To 2 2. CHECK WHEEL SPEED SENSOR SIGNALS Turn the ignition on. With the scan tool, monitor and graph ALL the WSS speeds and compare graph while an assistant drives the vehicle. NOTE: If graph shows periodic dropouts pay close attention to the tone wheel. Slowly accelerate as straight as possible from a stop to 40 km/h (25 mph). Is the Right Rear WSS speed showing 0 km/h (0 mph) or not matching other wheels or showing erratic behavior?YesGo To 3 NoThe condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Refer to the ABS-INTERMITTENT CONDITION TEST. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND TESTING) 3. CHECK FOR IMPROPER RIGHT REAR TIRE PRESSURE/MISMATCHED TIRES Turn the ignition off. Check and adjust the Right Rear Tire pressure. Check and adjust all other tire pressures. Inspect for mismatched tires on vehicle. Is the Right Rear Tire improperly inflated or mismatched tires on vehicle?YesRepair as necessary. Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES/ELECTRICAL - STANDARD PROCEDURE) NoGo To 4 4. CHECK RIGHT REAR WSS LOOSENESS, INSPECT B1, B2 CIRCUITS/TERMINALS FOR DAMAGE NOTE: Check all terminals for broken, bent, pushed out, or corroded terminals Inspect the Anti-Lock Brake Module harness connector, Right Rear WSS, and Right Rear WSS harness connector Inspect the Right Rear WSS for looseness, excessive corrosion and not properly fastened. Inspect the (B1) Right Rear WSS Signal and (B2) Right Rear WSS Supply circuits between the Right Rear WSS and Anti-Lock Brake Module for damage. Is the Right Rear WSS loose or any of the wiring/connectors/terminals damaged?YesRepair as necessary. Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES/ELECTRICAL - STANDARD PROCEDURE) NoGo To 5 5. CHECK RIGHT REAR WHEEL SPEED SENSOR FOR DAMAGE Remove the Right Rear Wheel Speed Sensor. Inspect the Right Rear Wheel Speed Sensor face for damage. Is the Right Rear Wheel Speed Sensor damaged?YesReplace sensor and hub assembly. Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES/ELECTRICAL - STANDARD PROCEDURE) NoGo To 6 6. CHECK RIGHT REAR TONE WHEEL/BEARING FOR DAMAGE Inspect the Right Rear Tone Wheel/Bearing for damage, missing teeth, cracks, corrosion or looseness. NOTE: The Tone Wheel teeth should be perfectly square, not bent, or nicked. Is the Right Rear Tone Wheel/Bearing damaged?YesRepair as necessary. Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES/ELECTRICAL - STANDARD PROCEDURE) NoGo To 7 7. RIGHT REAR WHEEL SPEED SENSOR Replace the Right Rear Wheel Speed Sensor in accordance with the Service Information. Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES/ELECTRICAL - STANDARD PROCEDURE) Road test the vehicle over 40 km/h (25 mph). NOTE: Vehicle must be driven above 40 km/h (25 mph) for set conditions to be met. With the scan tool, read ABS DTCs. Did DTC C1035-RIGHT REAR WHEEL SPEED COMPARATIVE PERFORMANCE reset?YesReplace the Anti-Lock Brakes Module in accordance with the Service Information. Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES/ELECTRICAL - STANDARD PROCEDURE) NoTest Complete. I'll update as I go along. I think starting with the speed sensor and new cable is my best bet for the start... |
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| Author: | CorporeSano [ Sat Jul 25, 2015 1:43 pm ] |
| Post subject: | Re: 2012 Liberty KK Traction and ABS light on. Any Help? |
For anyone interested in the diagnostics or steps for identification of the code, refer to the troubleshooting tips above. SOLUTION... turned out to be just the speed sensor. After looking over the harness for integrity and the sensor I didn't notice any abnormalities. However the sensor was bad and I replaced it. Code clears immedidately on own with no dealer reset required. Total Cost... 28$ for the rear wheel speed sensor. 20$ for the inspection and code read at TiresPlus.  
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| Author: | ajohns1288 [ Sat Jul 25, 2015 1:51 pm ] |
| Post subject: | Re: 2012 Liberty KK Traction and ABS light on. Any Help? |
I'm pretty sure these sensors are the worst. I had one fail right outside of the 3/36 warranty. I know of more KKs than not where at least one had to be changed. The good thing is if you're lifted it's a 5 min job. |
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