NHTSA ID Number: 10113356
Manufacturer Communication Number: PIT5405C
Summary
This Preliminary Information communication provides information to the technician about vehicles that have a reduced or loss of power steering assist, steering wheel jerks or kicks back when turning, Service Stabilitrak message with warning chime, engine stall, Instrument Panel Cluster going blank or inoperative, radio/Integrated Center Stack going blank, Heater-Vent-Air Conditioning going blank, hood ajar message and/or dome lamps flash when shifting into reverse, alarm sounds when locking doors or door locks cycling, and or wipers continue to run for a short time after turning off and then stop/park in the incorrect location. Technician may find Diagnostic Trouble Codes U0073, U0078, U0029, U0028, U0415, U0140, U0126, U0121, U0101, U0100, C0544, C0710, U1510, B127B, B2605, B3600, C0800, U0428, U0452, U0131, and P0513 set in the vehicle. Check the body control module ground at the G218 location. The front dash insulator mat may be trapped between the ground eyelet and the body stud. Remove the round nut and eyelet and cut the front dash insulator mat away from the ground stud so it no longer interferes with the ground stud and reinstall the eyelet and ground nut. Technician will also inspect the starter solenoid battery cable for shorting out on the starter heat shield. Technician will need to voltage drop the battery cables. The battery should be tested using the GR8. X183 or X133 should be inspected for any broken/loose/backed out terminals.
Condition/Concern
Some owners may comment of any of the following issues below. These issues may seem more likely to occur if the vehicle is stopped/slow speeds and turning the steering wheel, which applies additional load to the truck electrical system.
– Reduced or loss of power steering assist (only LD models equipped with electric power steering)
– Steering wheel jerks or kicks back when turning
– Steering wheel jerks or kicks back when turning
– Engine stall
– IPC going blank or inoperative
– Radio/ICS going blank
– HVAC going blank
– Hood ajar message and/or dome lamps flash when shifting into reverse
– Alarm sounds when locking doors or door locks cycling
– Wipers continue to run for a short time after turning off and then stop/park in the incorrect location
– Any of the following DTCs: U0073, U0078, U0029, U0028, U0415, U0140, U0126, U0121, U0101, U0100, C0544, C0710, U1510, B127B, B2605, B3600, C0800, U0428, U0452, U0131, and P0513
These concerns could be caused by any of the following issues:
1. A poor BCM ground at G218.
2. A shorted B+ Battery cable (3) at the Starter Solenoid caused by:
– A loose starter shield contacting the starter battery cable terminal ring
– A starter cable ring terminal that has been mis-installed and/or rotated when installed on the starter solenoid
3. Battery cables with high resistance and/or loose connections at the:
– Positive or negative battery cables
4. A discharged or faulty battery.
5. A loose connection at the main power and ground 2-way connector (X183 or X133 depending on model) for the power steering rack.
Note: The above items could cause the discharged battery.
26 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| CADILLAC | ESCALADE | 2015-2017 |
| CADILLAC | ESCALADE ESV | 2015-2017 |
| CHEVROLET | SILVERADO | 2015-2017 |
| CHEVROLET | SILVERADO 1500 | 2014 |
| CHEVROLET | SUBURBAN | 2015-2017 |
| CHEVROLET | TAHOE | 2015-2017 |
| GMC | SIERRA | 2015-2017 |
| GMC | SIERRA 1500 | 2014 |
| GMC | YUKON | 2015-2017 |
| GMC | YUKON XL | 2015-2017 |
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5405C
Date: Jan-2017
MC-10113356-9999.pdf 714.806KB
NHTSA ID Number: 10083324
Manufacturer Communication Number: PIT5405B
Summary
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN FOR A REDUCED POWER MESSAGE, STEERING ASSIST, ENGINE STALL OR THE INSTRUMENT PANEL, RADIO, AND OR HEATER-VENT-AIR CONDITIONING GO BLANK WITH MULTIPLE DIAGNOSTIC TROUBLE CODES. IF ANY OF THE FOLLOWING DIAGNOSTIC TROUBLE CODES U0073, U0078, U0029, U0028, U0415, U0140, U0126, U0121, U0101, U0100, C0544, U1510, U0073, B127B, B2605, B3600,C0800, U0428, AND U0452 SET IN THE VEHICLE. CHECK THE BODY CONTROL MODULE GROUND AT THE G218 LOCATION. THE FRONT DASH INSULATOR MAT MAY BE TRAPPED BETWEEN THE GROUND EYELET AND THE BODY STUD. REMOVE THE ROUND NUT AND EYELET AND CUT THE FRONT DASH INSULATOR MAT AWAY FROM THE GROUND STUD SO IT NO LONGER INTERFERES WITH THE GROUND STUD AND REINSTALL THE EYELET AND GROUND NUT. TECHNICIAN SHOULD ALSO INSPECT CONNECTOR X183 AND X133FOR ANY BROKEN, LOOSE, BACKED OUT TERMINALS AND REPAIR AS NECESSARY.
1 Associated Document
Service Bulletin Document
Bulletin No.: PIT5405B
Date: Aug-2016
SB-10083324-5448.pdf 623.067KB
NHTSA ID Number: 10115119
Manufacturer Communication Number: PIT5405A
Summary
This Preliminary Information communication provides information to the technician for a reduced power message, steering assist, engine stall or the instrument panel, radio, and or Heater-Vent-Air Conditioning go blank with multiple diagnostic trouble codes. If any of the following diagnostic trouble codes U0073, U0078, U0029, U0028, U0415, U0140, U0126, U0121, U0101, U0100, C0544, U1510, U0073, B127B, B2605, B3600,C0800, U0428, and U0452 set in the vehicle. Check the body control module ground at the G218 location. The front dash insulator mat may be trapped between the ground eyelet and the body stud. Remove the round nut and eyelet and cut the front dash insulator mat away from the ground stud so it no longer interferes with the ground stud and reinstall the eyelet and ground nut.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5405A
Date: Nov-2015
MC-10115119-9999.pdf 526.806KB
NHTSA ID Number: 10114513
Manufacturer Communication Number: PIT5405
Summary
This Preliminary Information communication provides information to the technician for a reduced power message, steering assist, engine stall or the instrument panel, radio, and or Heater-Vent-Air Conditioning go blank with multiple diagnostic trouble codes. If any of the following diagnostic trouble codes U0073, U0078, U0029, U0028, U0415, U0140, U0126, U0121, U0101, U0100, C0544, U1510, U0073, B127B, B2605, B3600,C0800, U0428, and U0452 set in the vehicle. Check the body control module ground at the G218 location. The front dash insulator mat may be trapped between the ground eyelet and the body stud. Remove the round nut and eyelet and cut the front dash insulator mat away from the ground stud so it no longer interferes with the ground stud and reinstall the eyelet and ground nut.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5405
Date: May-2015
MC-10114513-9999.pdf 286.867KB
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SEOCONTENT-START
Bulletin No.: PIT5405C
Date: Jan-2017
Subject: Steering Jerks Or Kicks Back / Reduced Power Steering Assist / Engine Stall / No Start / Service Stabilitrak
/ IPC / Radio / HVAC Goes Blank Various DTCs Models: 2015-2017 Cadillac Escalade Models 2014 Chevrolet Silverado 1500
2015-2017 Chevrolet Silverado, Suburban, Tahoe
2014 GMC Sierra 1500
2015-2017 GMC Sierra, Yukon Models
This PI was superseded to update the title, additional symptoms, recommendation and 2017 models. Please discard PIT5405B.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern
Some owners may comment of any of the following issues below. These issues may seem more likely to occur if the vehicle is stopped/slow speeds and turning the steering wheel, which applies additional load to the truck electrical system. – Reduced or loss of power steering assist (only LD models equipped with electric power steering)
– Steering wheel jerks or kicks back when turning
– Steering wheel jerks or kicks back when turning
– Engine stall
– IPC going blank or inoperative
– Radio/ICS going blank
– HVAC going blank
– Hood ajar message and/or dome lamps flash when shifting into reverse
– Alarm sounds when locking doors or door locks cycling
– Wipers continue to run for a short time after turning off and then stop/park in the incorrect location
– Any of the following DTCs: U0073, U0078, U0029, U0028, U0415, U0140, U0126, U0121, U0101, U0100, C0544, C0710, U1510, B127B, B2605, B360 C0800, U0428, U0452, U0131, and P0513
These concerns could be caused by any of the following issues:
1. A poor BCM ground at G218.
2. A shorted B+ Battery cable (3) at the Starter Solenoid caused by:
– A loose starter shield contacting the starter battery cable terminal ring
– A starter cable ring terminal that has been mis-installed and/or rotated when installed on the starter solenoid
3. Battery cables with high resistance and/or loose connections at the:
– Battery fuse block – Positive or negative battery cables
4. A discharged or faulty battery.
5. A loose connection at the main power and ground 2-way connector (X183 or X133 depending on model) for the power steering rack.
1 Note: The above items could cause the discharged battery. Recommendation/Instructions
To correct these concerns:
1. Inspect G218
– Check for the nut being loose or cross threaded, repair and tighten as necessary.
– Check for the front of dash insulator mat (2) being trapped between the ground eyelet and the body/stud as shown below (1). If the dash insulator mat is trapped, cut the mat away from the ground stud so it will no longer interfere. Reinstall the ground eyelet, the nut, and retighten. 2. Inspect the starter solenoid B+ battery cable for shorting out on the starter heat shield either due to terminal contacting the shield, as shown below (3), or from the shield being loose and resting on the terminal. If the battery cable is shorting out on the starter heat shield, replace the B+ battery cable and starter heat shield. After installing the new starter heat shield and B+ battery cable, ensure there is adequate clearance and each fastener is torqued properly so it will no longer short out. 2 3. Inspect for any high resistance and/or loose connections at both the battery fuse block and the positive or negative battery cables.
– It is imperative that both the positive and negative battery top posts protrude above the battery cable clamps 1-2 mm (0.040 – 0.080 in) to be properly installed, as shown below (5).
– Check both the positive and negative battery cable clamp nuts and make sure they are properly tightened to 7 Nm (62 lb in). – After the positive and negative battery cables are fully installed and tightened to 7 Nm (62 lb in), grasp each battery cable near the battery post and make sure they are secure and that they do not spin on the post. If so, replace the battery cable.
– Inspect the battery fuse block cable connections for being loose by grasping each cable near the eyelet and verify they do not rotate on their respective stud. Verify each nut is torqued properly to 15 Nm (11 ft lb).
– Inspect the negative battery cable where it connects to the engine block and make sure it is not loose by grasping the cable near the eyelet and verify it does not rotate. Verify the cable nut is torqued properly to 45 Nm (33 ft lb). – Perform a loaded voltage drop test on the short positive battery cable (4), shown below, and the negative battery cable. Note: When checking voltage drop, the voltage drop should be performed with the fuel system disabled (or hold the accelerator WOT) and while cranking the engine. MIN/MAX on the Digital Multi Meter (DMM) should NOT be used. The voltage drop should be monitored at a STEADY crank. The voltage drop should not exceed 200 mV. If the voltage drop is above 200 mV, replace the affected cable(s). This test should be perform during a cold engine crank and also after a hot engine soak 3 4. Perform the “Battery Inspection/Test” procedure in SI, using the GR8, and replace the battery if it fails the test. 5. Inspect connector X183 or X133, location shown below, for any broken/loose/backed out terminals and repair as necessary.
Warranty Information
The correction for this concern may be one of several repairs described above. For vehicles repaired under warranty, please use the appropriate warranty labor operation based on the actual cause and repair.
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.
Additional SI Keywords
jerk kick back kickback
GM bulletins are intended for use by professional technicians, NOT a “do-it-yourselfer”. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION
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SEOCONTENT-END
This product presentation was made with AAWP plugin.
I am having the exact same issues as described. Very dangerous as my wife pulls horse trailer with truck. This is crazy dangerous, as it has happened both while driving and while sitting still.
My 2014 Silverado LTZ is doing this – downright scary & life threatening – has died on me in the middle of turning through an intersection.
James L in Atlanta
Yes, same with me with my 2014 Silverado LT.
Has anyone verified that following these 3 fixes above resolves this issue ? Thanks
Did you find the fix or has anyone verified it to you, very frustrating and deadly. Thanks for any help
Did you get a fix to this problem I also think this is very dangerous so I don’t want to drive or sell the truck
This is a very dangerous problem. I did not get verification from anyone that these fixes took care of this problem. Like you, I’m afraid to drive my truck and will not sell it to anyone. It’s a very frustrating situation.
My issue is lil different on my 2015 yukon denali … i got a million dtc code on my scanner all are bcm related and trans temp sensor error ,my nav /radio screen went blank today .my oil and water temp go pretty high my trans temp on dash shows very low temp.. im trying to find info where in dash is that ground u talk about
Having same issue but not while using turn signals. Traction control, park assist, steering reduced with stall, blower motor will cut out at times, time on radio an hour off but will reset. All while driving but more often after a long drive. I did check the ground in question it looked alright but I did take off and re tighten and remove insulation. I will test drive and check back. Any other information would be helpful in resolving this intermittent and I think serious concern.
I’m having the same issue. 2014 1500 LTZ almost killed myself several times in the past week. Lights begin to flicker and that’s the first warning sign to watch for. Steering assist shuts down and truck stalls if turn continues at low speed. Shut down has happened various times now putting through a drive thru. I’m going to check this because the dealer won’t fix it for free. Should be a recall as you can die from loosing steering in a turn into traffic.
You can file a complaint with the NHTSA https://www-odi.nhtsa.dot.gov/VehicleComplaint/
Hi can you give me info on the outcome of your Silverado issues? I’m having the exact same issues you described, same year truck
I’m having the exact same problem on my 1500 Silverado LTZ. Usually happens as I am slow speed turning left. What was the fix on yours if you got one? Thank you
Having issues with stablitrak compensating my steering and warning lights for stabilitrak appearing when on the highway when using turn signals to switch lanes (70mph). When turning steering wheel to pull into spots or sitting still the steering wheel will act up. This G218 ground issue needs to be addressed by GM already. after two trips to a dealer i finally found a few references to this ground issue. follow the above information and it will fix you issue. real question to the GM rep reading this is when will you recall this before people have to pay to fix an assembly line issue past 36K miles.