NHTSA ID Number: 10114503
Manufacturer Communication Number: PIT5171D
Summary
This Preliminary Information communication provides information to the technician about vehicles that have may an intermittent Service Traction/Stability, ABS indicator or Service All wheel Drive message on the Driver Information Center. Technician may find Diagnostic Trouble Codes U0125 00 U0074 00 U0073 and or C0045 C0050 symptom 06. Technician will need to inspect the X411 connecter for a wire break inside the wire harness. Also inspect the wire harness insulation within 1 inch of the X411 before and after connecter. Repair any damaged wiring to correct the concern.
Condition/Concern
Customers may comment on and intermittent DIC message Service Traction/Stability, ABS indicator or Service All wheel Drive.
Upon diagnostics the technician may find DTC’s related to the chassis bus, or rear wheel speed sensor with U0125 00 U0074 00 U0073 and or wheel speed sensor C0045 C0050 symptom 06 DTCs.
Other DTC U0125 U0126 C0196 SYM 5A C0710 SYM 5A or no communication with (RDM) Rear Differential Module.
12 Affected Products
Vehicles
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5171D
Date: Apr-2015
MC-10114503-9999.pdf 703.319KB
NHTSA ID Number: 10045959
Manufacturer Communication Number: PIT-5171
Summary
GMC/CHEVROLET
: A COMMUNICATION FAULT, REGARDING SERVICE STABILITY TRACTION AND ABS REAR WHEEL SPEED DTC OR CHASSIS EXPANSION BUS, WHICH IS RELATED TO AN INTERNAL WIRE BREAK INSIDE WIRE HARNESS INSULATION TO X411 CONNECTOR. MODELS 2010-2012 CHEVROLET EQUINOX & GMC TERRAIN. *PE UPDATED ON 5/9/2013. *KB UPDATED 7/10/2013. *KB UPDATED 2/1/16. *PE
4 Associated Documents
Service Bulletin Document
Bulletin No.: PIT5171
Date: August, 2012
Service Bulletin Document
Bulletin No.: PIT5171B
Date: March, 2013
SB-10045959-4603.pdf 1213.98KB
Service Bulletin Document
Bulletin No.: PIT5171C
Date: May, 2013
SB-10045959-5360.pdf 1102.743KB
Service Bulletin Document
Bulletin No.: PIT5171D
Date: May, 2015
SB-10045959-6347.pdf 666.222KB
NHTSA ID Number: 10113098
Manufacturer Communication Number: PIT5171C
Summary
This Preliminary Information communication provides information to the technician about vehicles that have may an intermittent Service Traction/Stability, ABS indicator or Service All wheel Drive message on the Driver Information Center. Technician may find Diagnostic Trouble Codes U0125 00 U0074 00 U0073 and or C0045 C0050 symptom 06. Technician will need to inspect the X411 connecter for a wire break inside the wire harness. Also inspect the wire harness insulation within 1 inch of the X411 before and after connecter. Repair any damaged wiring to correct the concern.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5171C
Date: May-2013
MC-10113098-9999.pdf 700.341KB
NHTSA ID Number: 10062881
Manufacturer Communication Number: PIT5171C
Summary
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
1 Associated Document
Service Bulletin Document
Bulletin No.: PIT5171C
Date: May, 2013
SB-10062881-2273.pdf 637.962KB
NHTSA ID Number: 10112913
Manufacturer Communication Number: PIT5171B
Summary
This Preliminary Information communication provides information to the technician about vehicles that have may an intermittent Service Traction/Stability, ABS indicator or Service All wheel Drive message on the Driver Information Center. Technician may find Diagnostic Trouble Codes U0125 00 U0074 00 U0073 and or C0045 C0050 symptom 06. Technician will need to inspect the X411 connecter for a wire break inside the wire harness. Also inspect the wire harness insulation within 1 inch of the X411 before and after connecter. Repair any damaged wiring to correct the concern.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5171B
Date: Mar-2013
NHTSA ID Number: 10062882
Manufacturer Communication Number: PIT5171B
Summary
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
1 Associated Document
Service Bulletin Document
Bulletin No.: PIT5171B
Date: March, 2013
SB-10062882-2273.pdf 745.587KB
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SEOCONTENT-START
Bulletin No.: PIT5171D Date: Apr-2015 Subject: Service Stability – Traction – ABS Rear Wheel Speed DTC Or Chassis Expansion And High Speed Bus Communication Fault Models: 2010 – 2015 Chevrolet Equinox 2010 – 2015 GMC Terrain With Any Combination of DTC’s U0073 U0074 U1826 U1827 U18A2 U0125 C0196 C0287 C0186 C056D C0045 C0050 Symptom 00 06 3B 4A 4B 5A 39 42 54 71 This PI was superseded to update Model Years and Warranty Information. Please discard PIT5171C. The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition/Concern Customers may comment on and intermittent DIC message Service Traction/Stability, ABS indicator or Service All wheel Drive. Upon diagnostics the technician may find DTC’s related to the chassis bus, or rear wheel speed sensor with U0125 00 U0074 00 U0073 and or wheel speed sensor C0045 C0050 symptom 06 DTCs. Other DTC U0125 U0126 C0196 SYM 5A C0710 SYM 5A or no communication with (RDM) Rear Differential Module. Recommendation/Instructions This may be related to an internal wire break inside the wire harness insulation to the X411 connecter due to rodents. (Location in the left rear under the vehicle). Several conditions and symptoms have been found to be related to a wire harness at the left rear under vehicle. Inspect the wire harness insulation within 1 inch of the X411 before and after connecter It may be necessary to remove the tape and conduit from the wire harness for inspection upstream from the X411 connecter. Some Issues have been found with circuits 6105 and 6106 for chassis bus wires and serial enable circuit 5986 and 120 ohm opens in 2500 and 2501 or 6106 and 6106. Other circuits 884, 885, 882, and 883 when related to rear wheel speed sensor codes C0045 or C0050. During inspection you may notice chewed up conduit or a discoloration in insulation in one spot of the wire. If you pull the wire near that area the insulation it will break exposing the broken wire and possible corrosion or rodent damage. Repair the circuit to complete the procedure. Diagnostic tips on intermittent Chassis Buss and High Speed LAN Buss: Find a known good vehicle and check the ohms between 6 & 14 and 12 & 13 and voltage readings of each for comparison. Using DVOM set to Ohms, connect meter between DLC pins 12 and 13 for chassis buss or 6 and 14 for high speed buss of DLC connecter, set the meter to Min / Max, and wiggle the harness up and down under the left-rear areas of the connecter. When you hear the meter beeping, check that area of the harness. Note: Wire broken within the insulation has also been found high up in the harness X411. It will be necessary to lower the harness to gain access. Reference the following photos: 1 2 Damaged conduit Wires chewed through Warranty Information \For wiring repairs covered under warranty, please refer to latest version of bulletin 10-00-89-005 for warranty information on wire/connector repairs. Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
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