Service bulletins for the 2001 Chevrolet Express
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
383 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| PIP5029G | 2017-05-16. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A MALFUNCTION INDICATOR LAMP ON OR ENGINE MISFIRE, ROUGH IDLE, EXTENDED CRANK, OR CRANK NO START IN SOME CASES. TECHNICIAN WILL NEED TO PERFORM PUBLISHED SERVICE INFORMATION DIAGNOSTICS. IF TECHNICIAN FINDS CARBON, AN UPPER ENGINE AND VALVE CLEANING SHOULD BE PERFORMED. |
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| PIC5491J | 2017-05-02. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE AN ONSTAR SYSTEM THAT WILL NOT POWER UP. TECHNICIAN SHOULD TURN OFF THE IGNITION AND CANCEL RETAINED ACCESSORY POWER. AFTER THE VEHICLE HAS POWERED DOWN REMOVE POWER TO THE ONSTAR MODULE FOR FIVE MINUTES. AFTER THE POWER HAS BEEN REMOVED FOR FIVE MINUTES, IF THE ONSTAR SYSTEM IS WORKING RELEASE THE VEHICLE. IF THE ONSTAR SYSTEM IS STILL INOPERATIVE CONTINUE WITH PUBLISHED SERVICE INFORMATION DIAGNOSTICS. |
| PIC5491J | 2017-04-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE AN ONSTAR SYSTEM THAT WILL NOT POWER UP. TECHNICIAN SHOULD TURN OFF THE IGNITION AND CANCEL RETAINED ACCESSORY POWER. AFTER THE VEHICLE HAS POWERED DOWN REMOVE POWER TO THE ONSTAR MODULE FOR FIVE MINUTES. AFTER THE POWER HAS BEEN REMOVED FOR FIVE MINUTES, IF THE ONSTAR SYSTEM IS WORKING RELEASE THE VEHICLE. IF THE ONSTAR SYSTEM IS STILL INOPERATIVE CONTINUE WITH PUBLISHED SERVICE INFORMATION DIAGNOSTICS. |
| PIC5453B | 2017-04-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT GENERAL MOTORS AND GENERAL MOTORS OF CANADA COMPANY DO NOT SUPPORT CROSS BORDER SALES. THE GENERAL MOTORS OF CANADA CUSTOMER CARE CENTRE IS THE SOLE AUTHORIZED PROVIDER OF A CERTIFICATION CONFIRMATION LETTER WHICH HELPS OUR CUSTOMERS IDENTIFY IF THEIR VEHICLES MEETS THE REQUIRED USA REGULATORY STANDARDS NECESSARY FOR IMPORTATION INTO THE USA. |
| TSB T2007-03 | 2017-03-27. Service bulletin. EQUIPMENT; STRUCTURE:BODY:DOOR. MERLIN MULTIPLEX SYSTEM WHEN A PROER/GROUND LUG IS NOT CORRECTLY TIGHTENED OR BECOMES LOOSE FOR ANY REASON; ERRATIC SYSTEM OPERATION IS POSSIBLE. |
| PIT4720D | 2017-03-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT AFTER REPLACING THE INSTRUMENT PANEL CLUSTER THE EXCHANGE CENTER IS UNABLE TO PROGRAM THE ACTUAL MILEAGE ON THE ODOMETER OR THE ACTUAL MILEAGE IS UNKNOWN. DEALER WILL NEED TO FOLLOW DEALER TO THE GENERAL MOTORS SERVICE POLICIES AND PROCEDURES MANUAL SECTION 5.2.4 ODOMETER SERVICING. |
| PIP5340A | 2017-03-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT AFTER A TRANSMISSION OR TORQUE CONVERTER REPLACEMENT THE VEHICLE MAY HAVE A HARSH 1-2 UPSHIFT AND THE CHECK ENGINE LIGHT OR SERVICE ENGINE SOON INDICATOR IS ILLUMINATED. IF YOU HAVE DUPLICATED THE CUSTOMER’S CONCERN AND FOUND DIAGNOSTIC TROUBLE CODE P0894 OR P1870 SET IN THE TRANSMISSION CONTROL MODULE PLEASE CONTACT GENERAL MOTORS TECHNICAL ASSISTANCE CENTER. |
| PIP5226A | 2017-03-21. Service bulletin. EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT FINDING NEEDLE BEARINGS DURING AN OIL CHANGE. TECHNICIAN WILL GAIN ACCESS TO THE ROLLER ROCKERS TO INSPECT THEM. ONLY REPLACE THE ROLLER ROCKER THAT IS MISSING NEEDLE BEARINGS. BE SURE TO CLEAN THE OIL DRAINS TO RETRIEVE THE NEEDLE BEARINGS. EACH ROLLER ROCKER HAS 66 BEARINGS. |
| PIC3278F | 2017-03-14. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THE STEPS NEEDED TO DIAGNOSE AND REPAIR THE VEHICLES THAT MAY HAVE UNWANTED OR PHANTOM PHONE CALLS. TECHNICIAN WILL NEED TO DETERMINE WHAT TYPE OF CALL THE CUSTOMER IS HAVING THAT IS UNWANTED. THE VEHICLE MAY RECEIVE AN INCOMING CALL JUST LIKE ANY OTHER PHONE. TYPICALLY THE CUSTOMER WILL HEAR THE PHONE RINGING IN THE VEHICLE. THIS SCENARIO ALSO INCLUDES INCOMING BLUETOOTH CALLS. ONE TYPE OF UNWANTED CALL CAN BE MADE IF THE KEY PAD IS FAULTY THE ONSTAR SYSTEM WILL TRY TO MAKE A BLUE BUTTON CALL FOR SHORTED VOLTAGE IN THE CIRCUITS. THE ONSTAR MODULE COULD HAVE AN INTERNAL FAULT AND PRODUCE A PHONE UNAVAILABLE AUDIO MESSAGE ALSO IT MAY HAVE A DIAGNOSTIC TROUBLE CODE U1500 OR B1000. REFER TO DIAGNOSTICS FOR THE DIAGNOSTIC TROUBLE CODE MAKING SURE TO FOLLOW ANY APPLICABLE BULLETINS OR PRELIMINARY INFORMATION SHEETS. A GREADYH OR GONSTAR READYH AUDIO MESSAGE HEARD WHILE DRIVING. IN SOME CASES IT HAS BEEN FOUND THAT THE CUSTOMER IS INADVERTENTLY PRESSING THE PUSH TO TALK BUTTON ON THE STEERING WHEEL CONTROLS. ON RARE OCCASIONS, OTHER ISSUES IN THE STEERING COLUMN OR STEERING WHEEL CONTROL SYSTEM MAY INDUCE THIS CONCERN. |
| 14301 | 2017-02-01. Service bulletin. SERVICE BRAKES. 14301 - SPECIAL COVERAGE. ON SOME VEHICLES, EQUIPPED WITH A HINGED LEFT SIDE REAR DOOR (E26), INADEQUATE CLEARANCE MAY RESULT IN ABRASION TO ONE OR BOTH REAR BRAKE LINES. THIS COULD CAUSE BRAKE FLUID LOSS RESULTING IN DECREASED BRAKE LINE PRESSURE, INCREASED BRAKE PEDAL TRAVEL AND INCREASED STOPPING DISTANCE. ALERTS ANNOUNCING THIS POTENTIAL CONDITION ARE: A SUDDEN INCREASE IN BRAKE PEDAL TRAVEL; ILLUMINATION OF “BRAKES” LIGHT AND STABILITRAK SYMBOL; DISPLAY OF “SERVICE BRAKE,” “SERVICE STABILITRAK,” AND “SERVICE TRACTION CONTROL” MESSAGES IN THE DRIVER INFORMATION CENTER (DIC); AND/OR CHIMES WILL BE HEARD. DEALERS ARE TO REPLACE REAR BRAKE LINES WITH PRE-FORMED LINES BASED ON VEHICLE CONTENT. |
| PIT5485A | 2016-11-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN, IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE. |
| PIT5485B | 2016-11-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE, TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE. |
| PIT5389A | 2016-11-03. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS FOR DIAGNOSING THE CONCERN. THE VEHICLE MAY BE UNABLE TO CONNECT TO ONSTAR USING THE WHITE, BLUE OR RED ONSTAR BUTTONS. |
| PIC5050A | 2016-10-25. Service bulletin. EQUIPMENT:ELECTRICAL. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. DEALER IS TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE IF THE CONCERN IS STILL PRESENT. |
| PIC4935E | 2016-10-25. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. WHEN PERFORMING BATTERY PARASITIC DRAIN TEST, THERE MAY BE SOME CONFUSION AS TO WHAT THE NORMAL POWER CONSUMPTION READING SHOULD BE FROM THE ONSTAR SYSTEM. |
| PI1394A | 2016-10-19. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES ADDITIONAL INFORMATION ON HOW TO INSTALL PISTONS AND SUGGEST WHAT TOOLS TO USE. |
| 000601012F | 2016-10-18. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION TO GM DEALERS ON THE CORRECT CLEANING METHODS WHEN CLEANING ENGINE GASKET SEALING SURFACES. |
| 16NA260 | 2016-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO CALIBRATION CONCERNS. |
| PIT-3665-D | 2016-08-24. Service bulletin. SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE HYDRO-BOOST IS NOT SERVICEABLE AND WILL NEED TO BE REPLACED IF THE BRAKE PEDAL MOVES OR APPLIES ON ITS OWN AT A FULL TURN. |
| PIC-4935-E | 2016-08-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. WHEN PERFORMING BATTERY PARASITIC DRAIN TEST, THERE MAY BE SOME CONFUSION AS TO WHAT THE NORMAL POWER CONSUMPTION READING SHOULD BE FROM THE ONSTAR SYSTEM. |
| PIC-5050-A | 2016-08-17. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. DEALER IS TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE IF THE CONCERN IS STILL PRESENT. |
| SB-10-08-50-003B | 2012-02-06. Service bulletin. SEATS:FRONT ASSEMBLY:HEAD RESTRAINT. GENERAL MOTORS: INFORMATION PROVIDED BY BULLETIN FOR ALL 2012 AND PRIOR GENERAL MOTOR TRUCKS AND PASSENGER VEHICLES REGARDING THE ADJUSTABLE COMFORT AND CUSTOM UPHOLSTERY OF THE DRIVER AND THE PASSENGER HEAD RESTRAINT. *PE |
| PI-0011A | 2011-06-15. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. GM: THE FRONT OR REAR DOOR MAY NOT OPEN FROM THE INSIDE OR OUTSIDE HANDLE, THE DOOR WILL NOT UNLOCK WITH ANY METHOD. THE PROBABLY CAUSE AN INCORRECT INSTALLATION OF A HANDLE COMPONENT. *RM UPDATED ON 7/26/2013. ALL 2014 AND PRIOR GM PASSENGER CARS AND TRUCKS. *KB |
| 10-00-89-017C | 2011-06-14. Service bulletin. UNKNOWN OR OTHER. GM: INFORMATION ON FIXING MULTIPLE SITUATIONS RIGHT THE FIRST TIME. *RM |
| 09-09-40-001A | 2011-06-14. Service bulletin. SEAT BELTS:FRONT:WARNING LIGHT/DEVICES; SEAT BELTS. GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE. BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. *RM UPDATED 4/3/12. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.