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Service bulletins for the 2014 Chevrolet Impala

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.

2029 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
PIP4920L2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication advises the technician that the Battery Energy Control Module parts 20969054 and 22987539, Generator Control and Battery Module 23102218 and 23102217, and the Generator Battery Sections 1 And 2 part number 20813602 will remain on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIP3423K2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician that Diagnostic Trouble Codes P0016, P0017, P0018, P0019, P0008 or P0009 may be set. Technician will need to inspect for loose timing chains or tensioners. If after following Service Information diagnostics the root cause is not found inspect the reluctor for the crankshaft sensor. If the reluctor has moved then replace crankshaft.
PIP4920M2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the Battery Energy Control Module parts 20969054 and 22987539, Generator Control and Battery Module 23102218 and 23102217, and the Generator Battery Sections 1 And 2 part number 20813602 will remain on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIC5374C2017-08-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This Preliminary Information communication provides information to the technician about vehicles that have a frequent "off route" messages while following Turn by Turn route. Technicians will need to remove power from the Vehicle Communication Interface Module for one hour and retest for the concern.
PIT4864F2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about a customer?s request to install OnStar Bluetooth. Dealer should be advised at this time, there are no provisions to add this option to vehicles that were not built with it.
PIC4801F2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Technician verifies there are no Diagnostic Trouble Codes are present in the Antilock Braking System and Vehicle Communication Interface Module of the vehicle. If no Diagnostic Trouble Codes found call OnStar using the Blue button on the OnStar key pad and ask the advisor for a turn by turn route. Also make a OnStar personal call and a call into the vehicle. If normal diagnostics do not lead to a resolution technician will need to call General Motors Technical Assistance Center for further assistance.
PIC5991A2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have the outgoing end of a Bluetooth call may have static that lasts for a short period of time when beginning a Bluetooth call, or when transferring a phone call from a handset to handsfree using the vehicle?s Bluetooth. Dealer should advise the customer the first 5-10 seconds of audio quality after the transfer can be "poor" on the outbound side. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIC59912017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have the outgoing end of a Bluetooth call may have static that lasts for a short period of time when beginning a Bluetooth call, or when transferring a phone call from a handset to handsfree using the vehicle?s Bluetooth. Dealer should advise the customer the first 5-10 seconds of audio quality after the transfer can be "poor" on the outbound side. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIC5491F2017-08-15. 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.
PIC5520K2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the Drive Motor Generator Battery Module and Drive Motor Generator Battery Sections for the 2012 - 2014 Buick LaCrosse, Buick Regal, 2013 - 2014 Chevrolet Malibu ECO and 2014 Chevrolet Impala with eAssist are being placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIC5492E2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface control module. Engineering has determined that this code will only display in history on the scan tool and will not cause issues with OnStar system operation.
10-00-89-005F2017-07-18. Service bulletin. ELECTRICAL SYSTEM:WIRING. This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information.
PIT4720D2017-03-22. 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.
PIC5720B2017-03-17. Service bulletin. ELECTRICAL SYSTEM:WIRING; SERVICE BRAKES, AIR:ANTILOCK. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS NEEDED TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE BUZZ OR HUM NOISE IS HEARD IN THE RIGHT FRONT AT TIMES. ALSO MAY HAVE A ANTILOCK BRAKING SYSTEM MALFUNCTION INDICATOR LAMP, SERVICE BRAKE ASSIST MESSAGE OR SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP MAY BE DISPLAYED. THE FOLLOWING DIAGNOSTIC TROUBLE CODE MAY BE SET C027B, C0040 AND P0CBE. THE TECHNICIAN WILL INSPECT FOR THE WIRE HARNESS UNDER THE HOOD TO BE CONTACTING THE CRANK PULLEY, AIR CONDITIONING COMPRESSOR PULLEY OR ACCESSORY DRIVE BELT DUE TO MISROUTING OR NOT SECURED PROPERLY. REPAIR WIRING AS NEEDED OR REPLACE THE HARNESS, CORRECT ROUTING AND PROPERLY SECURE. ONCE WIRING REPAIRS ARE COMPLETE CONFIRM PROPER BRAKE BOOSTER VACUUM PUMP OPERATION.
PIC5520S2017-03-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN EASSIST DRIVE MOTOR GENERATOR BATTERY ARE NO LONGER ON PART RESTRICTION. TO ORDER THE EASSIST DRIVE MOTOR GENERATOR BATTERY SECTION CONTACT THE BATTERY SERVICE CENTER IN THE UNITED STATES OR THE ELECTRONIC SERVICE CENTER IN CANADA.
PIT53672017-03-16. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A BLANK DISPLAYS, FLASHING DISPLAYS, “ERROR OR UPDATE FAILED MESSAGES”, NAVIGATION MAP NOT LOADING, BLUETOOTH OR USB CONCERNS. TECHNICIAN SHOULD INSPECT THE USB/SD CARD PORT FOR A SD CARD OR A DEVICE PLUG INTO ANY OF THE USB PORTS.
PIP4993B2017-03-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A SERVICE CHARGING SYSTEM, BATTERY SAVER MESSAGE OR MALFUNCTION INDICATOR LAMP ON, AND/OR CHARGING SYSTEM INOPERATIVE. TECHNICIAN WILL USE GLOBAL DIAGNOSTIC SYSTEM 2 AND CLEAR THE DIAGNOSTIC TROUBLE CODES IN THE HYBRID POWERTRAIN CONTROL MODULE AND THE BATTERY ENERGY CONTROL MODULE. THEN TURN THE IGNITION OFF FOR A MINIMUM OF 2 MINUTES TO ALLOW THE HIGH SPEED LOCAL AREA NETWORK AND POWERTRAIN EXPANSION BUS TO POWER DOWN. START THE CAR AND MONITOR THE CHARGING SYSTEM VOLTAGE. IF THE CHARGING SYSTEM IS STILL INOPERATIVE THERE MAY BE A LOGIC LOCK CONDITION. DISCONNECT THE 12V BATTERY AND PERFORM A GLOBAL CAPACITIVE DISCHARGE AND REPEAT STEPS AGAIN.
PIC3278F2017-03-14. 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.
14515 MESSAGE2017-02-02. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM; EQUIPMENT. 14515 - CUSTOMER SATISFACTION PROGRAM (STOP DELIVERY EXPANSION). APPROXIMATELY 8,776 ADDITIONAL VEHICLES HAVE BEEN ADDED TO THE RECALL POPULATION. THESE VEHICLES WERE SERVICED WITH A CHASSIS ELECTRONIC MODULE SUSPECTED OF CONTAINING INTERNAL CONTAMINATION. A VERY SMALL NUMBER OF OLDER MODEL VEHICLES ARE NOW INCLUDED AND IDENTIFIED IN IVH WHICH HAS BEEN UPDATED AS OF DECEMBER 2, 2014. ADDITIONALLY, THE IVH SYSTEM ISSUE THAT WAS COMMUNICATED HAS BEEN RECTIFIED AND ALL INVOLVED VEHICLES SHOULD NOW SHOW "INCOMPLETE – REMEDY NOT YET AVAILABLE".
147702017-02-01. Service bulletin. SEATS; ELECTRICAL SYSTEM:WIRING. 14770 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT AND, IF NECESSARY, REROUTE THE SEAT WIRE HARNESS AWAY FROM A SEAT BACK SUSPENSION SPRING ON CERTAIN VEHICLES. ON SOME OF THESE VEHICLES, THE CUT END OF THE LEFT OR RIGHT FRONT SEAT BACK SUSPENSION SPRING MAY CONTACT THE SEAT WIRE HARNESS NEAR THE RECLINER MOTOR. MOVEMENT OF THE SUSPENSION SPRING CAN CAUSE DAMAGE TO SEAT WIRE HARNESS PROTECTIVE SLEEVE AND WIRE INSULATION, WHICH CAN LEAD TO A SHORT CIRCUIT IN THE SEAT WIRE HARNESS.
153442017-02-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; PARKING BRAKE. 15344 - SERVICE UPDATE. THE PURPOSE OF THIS SERVICE UPDATE IS TO PROVIDE THE CUSTOMER WITH A GOODWILL GIFT TO OFFSET OWNER INCONVENIENCE, RESTORE CONFIDENCE, AND MAINTAIN LOYALTY TO GM. THE VEHICLES INVOLVED IN THIS SERVICE UPDATE WERE ORIGINALLY INVOLVED IN RECALL 14471. WHEN THE VEHICLE WAS REPROGRAMMED FOR RECALL 14471, THE VEHICLES RECEIVED AN INCORRECT CALIBRATION. THE VEHICLES WERE RECALLED AGAIN UNDER RECALL 15100. APPROXIMATELY ONE WEEK AFTER LAUNCHING RECALL 15100, THE SOFTWARE FILES WERE ERRONEOUSLY CHANGED FROM THE REVISED SOFTWARE TO THE ORIGINAL INCORRECT SOFTWARE VERSION. VEHICLES THAT WERE SERVICED BETWEEN FEBRUARY 8, 2015, AND MARCH 10, 2015, RECEIVED THE ORIGINAL INCORRECT SOFTWARE. THESE CUSTOMERS ARE NOW BEING ASKED TO BRING THEIR VEHICLE BACK FOR THE CORRECT CALIBRATION UNDER RECALL 15259. FOR THEIR INCONVENIENCE, DEALERS ARE TO OFFER THE CUSTOMER A SELECTION OF ONE OF THE AVAILABLE GOODWILL OPTIONS LISTED IN THIS BULLETIN. BECAUSE EACH CUSTOMER HAS UNIQUE PREFERENCES, PLEASE OFFER BOTH OF THE OPTIONS FOUND IN THIS BULLETIN TO THE CUSTOMER AND ALLOW THEM TO SELECT THE ONE THAT BEST SUITS THEIR SITUATION.
PIP5189B2016-11-01. Service bulletin. ELECTRICAL SYSTEM; ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF BLACK SMOKE WHEN STARTING THE VEHICLE AFTER SITTING.
PIP5168E2016-11-01. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN, AND THE STEPS TO REPAIR THE CONCERN OF THE VEHICLE CRANKS BUT DOES NOT START. THE TECHNICIAN IS TO INSPECT FOR A SHEARED CAM PIN IN THE ENGINE.
PIC6198A2016-11-01. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON STEPS TO PERFORM TO DETERMINE IF THE CUSTOMER'S BATTERY DRAIN CONCERN IS BEING CAUSED BY A KNOWN CONCERN WITH BLUETOOTH CALL TRANSFER OPERATION WHEN EXITING THE VEHICLE. IF THE CONCERN IS DUPLICATED AT THE DEALER WITH THE ONSTAR LED IS STILL GREEN AFTER THE VEHICLE IS TURNED OFF AND THE BLUETOOTH CALL WAS DISCONNECTED. DEALER SHOULD ADVISES THAT ENGINEERING IS AWARE OF THE CONCERN AND IS CURRENTLY INVESTIGATING THE ISSUE.
PIC4935E2016-10-25. 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.