GMC Sierra Service Bulletins (2015)

3,092 manufacturer communications on file.

• August 19, 2014•Document ID: 10093768

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  G-198426

  Date Added:

  March 3, 2017

  Manufacturer:

  GMC

  Summary

  14466 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE ECM (ENGINE CONTROL MODULE) ON CERTAIN TRUCKS EQUIPPED WITH THE 6.6L DURAMAX DIESEL ENGINE (RPO LML). IF A BRAKING EVENT IS IMMEDIATELY FOLLOWED BY AN AGGRESSIVE ATTEMPT TO ACCELERATE ON SOME OF THESE VEHICLES, ESPECIALLY WHEN DRIVING WITH ONE FOOT ON THE BRAKE AND ONE FOOT ON THE THROTTLE, THE CUSTOMER MAY EXPERIENCE UP TO A 5 SECOND LAG IN ACCELERATION PERFORMANCE DUE TO THE ENHANCED ELECTRONIC PEDAL OVERRIDE BEING ACTIVATED (“EEPO INTERVENTION”) AND A SUBSEQUENT REDUCED POWER MODE. EEPO INTERVENTION IS NORMAL, BUT IN THIS VEHICLE, THE EEPO INTERVENTION MAY BE MORE FREQUENT THAN DESIRED DUE TO CERTAIN CALIBRATIONS. THE DEALER WILL REFLASH THE ENGINE CONTROL MODULE WITH A REVISED CALIBRATION AT THE NEXT SERVICE VISIT.

  Associated Products (2)

  2015 Chevrolet Silverado2015 GMC Sierra
  Associated Documents

  • DownloadMC-10093768-0001.pdf↗
• August 18, 2014•Document ID: 10138682

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  PI02003C

  Date Added:

  May 29, 2018

  Manufacturer:

  CADILLAC

  Summary

  This preliminary bulletin provides a diagnostic tip to install a temporary dowl rod to perform an alignment.

  Associated Products (142)

  2015 Cadillac Escalade2015 Cadillac Escalade ESV2015 Chevrolet Silverado2015 Chevrolet Suburban2015 Chevrolet Tahoe2015 GMC Sierra2015 GMC Yukon2015 GMC Yukon XL2014 Cadillac Escalade2014 Cadillac Escalade ESV2014 Chevrolet Silverado2014 Chevrolet Suburban2014 Chevrolet Tahoe2014 GMC Sierra2014 GMC Yukon2014 GMC Yukon XL2013 Cadillac Escalade2013 Cadillac Escalade ESV2013 Chevrolet Avalanche2013 Chevrolet Silverado+ 122 more
  Associated Documents

  • DownloadMC-10138682-0001.pdf↗
• August 18, 2014•Document ID: 10138681

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; TIRES

  Mfr Comm. #:

  00-03-10-006K

  Date Added:

  May 29, 2018

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides the technician with information on tire radial force variations and how to use it.

  Associated Products (401)

  2015 Buick Enclave2015 Buick Encore2015 Buick LaCrosse2015 Buick Regal2015 Buick Verano2015 Cadillac ATS2015 Cadillac CTS2015 Cadillac ELR2015 Cadillac Escalade2015 Cadillac Escalade ESV2015 Cadillac SRX2015 Cadillac XTS2015 Chevrolet Camaro2015 Chevrolet Caprice2015 Chevrolet City Express2015 Chevrolet Colorado2015 Chevrolet Corvette2015 Chevrolet Cruze2015 Chevrolet Equinox2015 Chevrolet Express+ 381 more
  Associated Documents

  • DownloadMC-10138681-0001.pdf↗
• August 18, 2014•Document ID: 10112172

  Service Bulletin/Repair Instructions
  POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); POWER TRAIN

  Mfr Comm. #:

  PIP5217

  Date Added:

  August 15, 2017

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that may have a service 4 wheel drive message and the transfer case is stuck in neutral. Technician may find Diagnostic Trouble Code C0398 set in the Transfer Case Control Module. Technician should verify if the vehicle was dinghy towed the vehicle using the owner's manual procedure. If the vehicle has a C0398 after this type of procedure clear the Diagnostic Trouble Code and return the vehicle to the customer with a copy of this Preliminary Information. An owner's manual supplement will be sent to owner's with more information on dinghy towing the vehicle. If the vehicle stays in neutral after towing, with the ignition in the RUN position and engine not running cycle fuse TREC under the hood then continue to use the "Shifting out of neutral" in the owner's manual.

  Associated Products (8)

  2015 Cadillac Escalade2015 Cadillac Escalade ESV2015 Chevrolet Silverado2015 Chevrolet Suburban2015 Chevrolet Tahoe2015 GMC Sierra2014 Chevrolet Silverado2014 GMC Sierra
  Associated Documents

  • DownloadMC-10112172-0001.pdf↗
• August 18, 2014•Document ID: 10112170

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  PIP5085B

  Date Added:

  August 15, 2017

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician may find a P0420, P24A0 and/or P2463 set. Technician should use published Service Information diagnostics for the Diagnostic Trouble Code. If the diagnostic leads to diagnosis or replacement of the Q57 Indirect Exhaust After treatment Fuel Injector, document all of your test results.

  Associated Products (22)

  2015 Chevrolet Express2015 Chevrolet Silverado2015 GMC Savana2015 GMC Sierra2014 Chevrolet Express2014 Chevrolet Silverado2014 GMC Savana2014 GMC Sierra2013 Chevrolet Express2013 Chevrolet Silverado2013 GMC Savana2013 GMC Sierra2012 Chevrolet Express2012 Chevrolet Silverado2012 GMC Savana2012 GMC Sierra2011 Chevrolet Express2011 Chevrolet Silverado2011 GMC Savana2011 GMC Sierra+ 2 more
  Associated Documents

  • DownloadMC-10112170-0001.pdf↗
• August 15, 2014•Document ID: 10112169

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, DIESEL

  Mfr Comm. #:

  PIP4864N

  Date Added:

  August 15, 2017

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" on the Driver Information Center. If the technician is working on 2010 and 2011 model years campaign 11001 has now been released. Other vehicles technician will need to check the Body Control Module and the scan tool to insure the latest calibration are installed in both. Then use the scan tool to check Reductant System Data in the Engine Control Module. Ensure that all three diesel exhaust fluid level sensors are active with the diesel exhaust fluid tank level showing 100%. If the tank level is below 100% add up to 2 gallons of diesel exhaust fluid. After adding the fluid, use a scan tool to reset the reductant fluid tank level. When the reductant level warning shows "none" the diesel exhaust fluid system reset and reprogram is complete.

  Associated Products (22)

  2015 Chevrolet Express2015 Chevrolet Silverado2015 GMC Savana2015 GMC Sierra2014 Chevrolet Express2014 Chevrolet Silverado2014 GMC Savana2014 GMC Sierra2013 Chevrolet Express2013 Chevrolet Silverado2013 GMC Savana2013 GMC Sierra2012 Chevrolet Express2012 Chevrolet Silverado2012 GMC Savana2012 GMC Sierra2011 Chevrolet Express2011 Chevrolet Silverado2011 GMC Savana2011 GMC Sierra+ 2 more
  Associated Documents

  • DownloadMC-10112169-0001.pdf↗
• August 15, 2014•Document ID: 10112168

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP4932C

  Date Added:

  August 15, 2017

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles with Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0101. Technician should follow published Service Information diagnostics for any Diagnostic Trouble Codes that are set. If during diagnosis the tech has found that the Airflow Leak Equivalency Ratio or Induction System Leak Indication is above or below the specification the tech will have to carefully check for leaks in the air intake.

  Associated Products (36)

  2015 Chevrolet Express2015 Chevrolet Silverado2015 GMC Savana2015 GMC Sierra2014 Chevrolet Express2014 Chevrolet Silverado2014 GMC Savana2014 GMC Sierra2013 Chevrolet Express2013 Chevrolet Silverado2013 GMC Savana2013 GMC Sierra2012 Chevrolet Express2012 Chevrolet Silverado2012 GMC Savana2012 GMC Sierra2011 Chevrolet Express2011 Chevrolet Silverado2011 GMC Savana2011 GMC Sierra+ 16 more
  Associated Documents

  • DownloadMC-10112168-0001.pdf↗
• August 15, 2014•Document ID: 10112167

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP4912C

  Date Added:

  August 15, 2017

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician has duplicated, or the customer description aligns with the speeds mentioned in the idle speed description tables, the idle speed should be considered a normal characteristic of current vehicle design.

  Associated Products (24)

  2015 Chevrolet Express2015 Chevrolet Silverado2015 GMC Savana2015 GMC Sierra2014 Chevrolet Express2014 Chevrolet Silverado2014 GMC Savana2014 GMC Sierra2013 Chevrolet Express2013 Chevrolet Silverado2013 GMC Savana2013 GMC Sierra2012 Chevrolet Express2012 Chevrolet Silverado2012 GMC Savana2012 GMC Sierra2011 Chevrolet Express2011 Chevrolet Silverado2011 GMC Savana2011 GMC Sierra+ 4 more
  Associated Documents

  • DownloadMC-10112167-0001.pdf↗
• August 14, 2014•Document ID: 10112164

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  PIP5021D

  Date Added:

  August 15, 2017

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication advises the technician that the Allison 6 Speed Automatic Transmission Assembly (RPO MW7) has been placed on restriction through General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.

  Associated Products (4)

  2015 Chevrolet Silverado2015 GMC Sierra2014 Chevrolet Silverado2014 GMC Sierra
  Associated Documents

  • DownloadMC-10112164-0001.pdf↗
• August 13, 2014•Document ID: 10112163

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

  Mfr Comm. #:

  PIP5007D

  Date Added:

  August 15, 2017

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication advises the technician that vehicles with engine Regular Production Option Code LGH or LML may have an Exhaust Fluid Quality Poor message displayed on the Driver Information Center. Technician will need to complete the current Service Information diagnostic for any current Diagnostic Trouble Codes or symptoms found. If an Exhaust Fluid Quality Poor message is displayed with a specific Diagnostic Trouble Code, use that specific Service Information diagnostic, and repair the vehicle as necessary. If the dealer has found an Exhaust Fluid Quality Poor message with no Diagnostic Trouble Code, diagnose the condition using the current Service Information diagnosis for Diagnostic Trouble Code P20EE / P207F (P2BAD for 2012 and newer model years). After making repairs use the Service Information Document titled "Reductant Fluid Quality Test (With or without Diagnostic Trouble Codess)" to evaluate and clear the Exhaust Fluid Quality Poor Driver Information Center message.

  Associated Products (22)

  2015 Chevrolet Express2015 Chevrolet Silverado2015 GMC Savana2015 GMC Sierra2014 Chevrolet Express2014 Chevrolet Silverado2014 GMC Savana2014 GMC Sierra2013 Chevrolet Express2013 Chevrolet Silverado2013 GMC Savana2013 GMC Sierra2012 Chevrolet Express2012 Chevrolet Silverado2012 GMC Savana2012 GMC Sierra2011 Chevrolet Express2011 Chevrolet Silverado2011 GMC Savana2011 GMC Sierra+ 2 more
  Associated Documents

  • DownloadMC-10112163-0001.pdf↗
• August 11, 2014•Document ID: 10112162

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5198A

  Date Added:

  August 15, 2017

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that may have Service messages in the Driver Information Center, Malfunction Indicator Lamp on, Erratic fluctuating engine oil pressure gauge, engine crank no start, and engine may run rough or misfire. Technician may find Diagnostic Trouble Codes. Technician should use published Service Information diagnostics for the Diagnostic Trouble Codes that are set. If the diagnosis does not lead to a resolution check for chafing of the engine wiring harness that is routed near the Exhaust Gas Recirculation Valve. Technician should repair any damaged wiring and fully seat the wire retaining harness. Also the technician should bend the Exhaust Gas Recirculation Valve gasket over to prevent a re-occurrence.

  Associated Products (2)

  2015 Chevrolet Silverado2015 GMC Sierra
  Associated Documents

  • DownloadMC-10112162-0001.pdf↗
• August 8, 2014•Document ID: 10138673

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

  Mfr Comm. #:

  PI1238B

  Date Added:

  May 29, 2018

  Manufacturer:

  CADILLAC

  Summary

  This preliminary bulletin provides a procedure to update the radio to correct the customers concern of multipul radio operation issues.

  Associated Products (21)

  2015 Cadillac Escalade2015 Cadillac Escalade ESV2015 Chevrolet Silverado2015 Chevrolet Suburban2015 Chevrolet Tahoe2015 GMC Sierra2014 Buick LaCrosse2014 Buick Regal2014 Cadillac ATS2014 Cadillac CTS2014 Cadillac ELR2014 Cadillac SRX2014 Cadillac XTS2014 Chevrolet Corvette2014 Chevrolet Impala2014 Chevrolet Silverado2014 Chevrolet Tahoe2014 GMC Sierra2013 Cadillac ATS2013 Cadillac SRX+ 1 more
  Associated Documents

  • DownloadMC-10138673-0001.pdf↗
• August 8, 2014•Document ID: 10112160

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  PIT3099M

  Date Added:

  August 15, 2017

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partect for assistance. Technician can also contact Techline Customer Support Center for programming issues.

  Associated Products (690)

  2015 Buick Enclave2015 Buick Encore2015 Buick LaCrosse2015 Buick Regal2015 Buick Verano2015 Cadillac ATS2015 Cadillac CTS2015 Cadillac ELR2015 Cadillac Escalade2015 Cadillac Escalade ESV2015 Cadillac SRX2015 Cadillac XTS2015 Chevrolet Camaro2015 Chevrolet Caprice2015 Chevrolet City Express2015 Chevrolet Colorado2015 Chevrolet Corvette2015 Chevrolet Cruze2015 Chevrolet Equinox2015 Chevrolet Express+ 670 more
  Associated Documents

  • DownloadMC-10112160-0001.pdf↗
• August 7, 2014•Document ID: 10138671

  Service Bulletin/Repair Instructions
  VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR; VISIBILITY:WINDSHIELD; EQUIPMENT

  Mfr Comm. #:

  PI1290

  Date Added:

  May 29, 2018

  Manufacturer:

  BUICK

  Summary

  This preliminary bulletin provides a procedure to replace the windshild to correct the customers concern of a loose mirrior and/or bracket fell off.

  Associated Products (171)

  2015 Buick Enclave2015 Buick Encore2015 Buick LaCrosse2015 Buick Regal2015 Buick Verano2015 Cadillac ATS2015 Cadillac CTS2015 Cadillac ELR2015 Cadillac Escalade2015 Cadillac Escalade ESV2015 Cadillac SRX2015 Cadillac XTS2015 Chevrolet Camaro2015 Chevrolet Caprice2015 Chevrolet Colorado2015 Chevrolet Corvette2015 Chevrolet Cruze2015 Chevrolet Equinox2015 Chevrolet Express2015 Chevrolet Impala+ 151 more
  Associated Documents

  • DownloadMC-10138671-0001.pdf↗
• August 7, 2014•Document ID: 10112159

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

  Mfr Comm. #:

  PIC5854C

  Date Added:

  August 15, 2017

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that may have a the AM or FM audio volume changes, mutes, echoes, cuts in and out, repeats broadcast content, or skips intermittently. Advise this is normal operation when listening to a weak AM or FM HD station. Technician can shut the HD option off to fix the concern.

  Associated Products (30)

  2015 Cadillac ATS2015 Cadillac CTS2015 Cadillac Escalade2015 Cadillac Escalade ESV2015 Cadillac SRX2015 Cadillac XTS2015 Chevrolet Silverado2015 Chevrolet Suburban2015 Chevrolet Tahoe2015 GMC Sierra2015 GMC Yukon2015 GMC Yukon XL2014 Buick Enclave2014 Buick Regal2014 Cadillac ATS2014 Cadillac CTS2014 Cadillac SRX2014 Cadillac XTS2014 Chevrolet Corvette2014 Chevrolet Impala+ 10 more
  Associated Documents

  • DownloadMC-10112159-0001.pdf↗
• August 7, 2014•Document ID: 10112158

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:WIRING; TRAILER HITCHES

  Mfr Comm. #:

  PIT5311

  Date Added:

  August 15, 2017

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver Information Center. Technician may find Diagnostic Trouble Code C1114. Technician will inspect and clean the ground wire (normally white wire) connection on the trailer side of the 7-pin connector. Inspect that the wires inside the trailer side connector are clean and securely fastened. If the vehicle's 7-way connector socket terminals are deformed or have excessive wear, it will be necessary to replace the truck side connector from General Motors Customer Care and Aftersales along with the trailer's 7-way connector plug.

  Associated Products (8)

  2015 Chevrolet Silverado2015 Chevrolet Suburban2015 Chevrolet Tahoe2015 GMC Sierra2015 GMC Yukon2015 GMC Yukon XL2014 Chevrolet Silverado2014 GMC Sierra
  Associated Documents

  • DownloadMC-10112158-0001.pdf↗
• August 6, 2014•Document ID: 10138670

  Service Bulletin/Repair Instructions
  STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING

  Mfr Comm. #:

  13-02-32-001C

  Date Added:

  May 29, 2018

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to repair any power steering leak that may be caused from extremely low temperatures and use the recommended fluid.

  Associated Products (130)

  2015 Buick Enclave2015 Buick Encore2015 Buick LaCrosse2015 Cadillac SRX2015 Cadillac XTS2015 Chevrolet Equinox2015 Chevrolet Silverado2015 Chevrolet Traverse2015 Chevrolet Trax2015 GMC Acadia2015 GMC Sierra2015 GMC Terrain2014 Buick Enclave2014 Buick Encore2014 Buick LaCrosse2014 Cadillac Escalade2014 Cadillac Escalade ESV2014 Cadillac SRX2014 Cadillac XTS2014 Chevrolet Equinox+ 110 more
  Associated Documents

  • DownloadMC-10138670-0001.pdf↗
• August 6, 2014•Document ID: 10093668

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  G-197828

  Date Added:

  March 3, 2017

  Manufacturer:

  GMC

  Summary

  14151 - CUSTOMER SATISFACTION (MESSAGE ONLY, VIN LIST WAS NOT ATTACHED TO THE PREVIOUS MESSAGE). THIS MESSAGE IS TO ALERT DEALERS THAT GENERAL MOTORS HAS BECOME AWARE THAT SOME CUSTOMERS MAY BE OVERFILLING THEIR COMPRESSED NATURAL GAS (CNG) TANKS IN COLD WEATHER BY ADDING CNG BEYOND THE RECOMMENDED FILL PRESSURE. IF CNG TANKS ARE FILLED TO A HIGHER PRESSURE THAN RECOMMENDED AT A GIVEN AMBIENT TEMPERATURE, THEN MOVED TO A MUCH HIGHER AMBIENT TEMPERATURE ENVIRONMENT, EXPANSION OF THE GAS CAUSED BY THE TEMPERATURE CHANGE MAY CAUSE PRESSURE RELIEF DEVICES ON THE VEHICLE CNG TANK(S) TO RELEASE GAS, AS DESIGNED. IF AN IGNITION SOURCE WERE PRESENT, THIS COULD CREATE A RISK OF FIRE OR EXPLOSION. AN ADVISORY LETTER WAS MAILED TO ALL INVOLVED CUSTOMERS ALONG WITH AND OWNER MANUAL CNG SUPPLEMENT AND TWO LABELS WITH INSTRUCTIONS.

  Associated Products (14)

  2015 Chevrolet Silverado2015 GMC Sierra2014 Chevrolet Express2014 Chevrolet Silverado2014 GMC Savana2014 GMC Sierra2013 Chevrolet Express2013 Chevrolet Silverado2013 GMC Savana2013 GMC Sierra2012 Chevrolet Express2012 GMC Savana2011 Chevrolet Express2011 GMC Savana
  Associated Documents

  • DownloadMC-10093668-0001.pdf↗
• August 5, 2014•Document ID: 10093666

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  G-197735

  Date Added:

  March 3, 2017

  Manufacturer:

  GMC

  Summary

  14151 - CUSTOMER SATISFACTION (MESSAGE ONLY WITH LETTER). THIS MESSAGE IS TO ALERT DEALERS THAT GENERAL MOTORS HAS BECOME AWARE THAT SOME CUSTOMERS MAY BE OVERFILLING THEIR COMPRESSED NATURAL GAS (CNG) TANKS IN COLD WEATHER BY ADDING CNG BEYOND THE RECOMMENDED FILL PRESSURE. IF CNG TANKS ARE FILLED TO A HIGHER PRESSURE THAN RECOMMENDED AT A GIVEN AMBIENT TEMPERATURE, THEN MOVED TO A MUCH HIGHER AMBIENT TEMPERATURE ENVIRONMENT, EXPANSION OF THE GAS CAUSED BY THE TEMPERATURE CHANGE MAY CAUSE PRESSURE RELIEF DEVICES ON THE VEHICLE CNG TANK(S) TO RELEASE GAS, AS DESIGNED. IF AN IGNITION SOURCE WERE PRESENT, THIS COULD CREATE A RISK OF FIRE OR EXPLOSION. AN ADVISORY LETTER WAS MAILED TO ALL INVOLVED CUSTOMERS ALONG WITH AND OWNER MANUAL CNG SUPPLEMENT AND TWO LABELS WITH INSTRUCTIONS.

  Associated Products (14)

  2015 Chevrolet Silverado2015 GMC Sierra2014 Chevrolet Express2014 Chevrolet Silverado2014 GMC Savana2014 GMC Sierra2013 Chevrolet Express2013 Chevrolet Silverado2013 GMC Savana2013 GMC Sierra2012 Chevrolet Express2012 GMC Savana2011 Chevrolet Express2011 GMC Savana
  Associated Documents

  • DownloadMC-10093666-0001.pdf↗
• August 4, 2014•Document ID: 10112146

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY:HATCHBACK/LIFTGATE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ELECTRICAL SYSTEM; STRUCTURE:BODY:HATCHBACK/LIFTGATE:HINGE AND ATTACHMENTS

  Mfr Comm. #:

  PIT5308

  Date Added:

  August 15, 2017

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift-gate Regular Production Option Code (TB5) is inoperative with the ignition off, and vehicles equipped with the diesel engine, the blower motor may stay on after the engine is turned off. Technician may find Diagnostic Trouble Code P2537 set. Technician will need to Use a voltmeter and check circuit 5985 at the Engine Control Module and Transmission Control Module. If no or low voltage is found, use the wiring diagram in Service Information and perform normal circuit diagnosis.

  Associated Products (11)

  2015 Cadillac Escalade2015 Cadillac Escalade ESV2015 Chevrolet Silverado2015 Chevrolet Suburban2015 Chevrolet Tahoe2015 GMC Sierra2015 GMC Yukon2015 GMC Yukon XL2014 Chevrolet Express2014 Chevrolet Silverado2014 GMC Sierra
  Associated Documents

  • DownloadMC-10112146-0001.pdf↗