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Service bulletins for the 2014 Cadillac ELR

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.

1633 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Automatic transmission are shown. Show all

Bulletins, newest first
PIC5380F2023-12-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Hybrid Powertrain Control Module 2 (HPCM 2) Part Restriction
06-00-89-031D2021-09-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
990420002L2021-08-09. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
06-00-89-031D2021-04-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
150089004C2021-03-08. Service bulletin. SUSPENSION:FRONT:MACPHERSON STRUT; SUSPENSION:FRONT:SHOCK ABSORBER; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
060089031F2020-12-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
1308116001F2020-12-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
080730026F2019-09-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
PIC63662019-07-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary Information communication provides additional information to the technician about how to diagnosis a vehicle that will not shift out of park.
PIP4840L2018-06-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This Preliminary Information communication advises the technician that the 4ET50 electric variable automatic transmission assembly and component restriction for the 2011-2015 MY Chevrolet Volt and Cadillac ELR. Dealer will need to call General Motors Technical Assistance Center for further assistance.
09-07-30-018D2018-06-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. This informational bulletin provides a revision for 09-07-30-018C to add the 2014 model year and update the Labor Operation.
02-07-30-029W2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information to the technician on what parts of an engine or transmission will require the PQC to be notified.
PI0938A2018-05-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION. This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.
17-NA-0662018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
060089031E2018-05-21. Service bulletin. ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
16NA3382018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
GCUS-9-26292017-12-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 38170 - Special Coverage. The accelerator pedal can break at the stalk just below the housing due to the driver entering or exiting the vehicle with their foot resting on the accelerator pedal. If the pedal breaks, it would not be possible to operate the accelerator once the stalk has broken off. The vehicle would return to idle regardless of transmission gear position. If this condition occurs within the stated terms dealers will replace the accelerator pedal.
16-NA-3382017-08-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
PIC6015A2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication provides information to the technician when the vehicle will not charge the high voltage battery, current Diagnostic Trouble Codes, and the vehicle will not shift out of park. Technician will follow Service Information for any current Diagnostic Trouble Codes. Technician will insure the charge cord is working correctly. Verify that the issue was not a result of charging infrastructure. Also monitoring the proximity signal for an improper or noisy signal as called out in the current version of PIP4905 may assist in finding a receptacle concern. Inspect the charge receptacle for cracking or water intrusion. If you find an issue with the charge receptacle, a new updated charge receptacle has been released to address the issues.
PIC5920E2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication provides information to the technician about vehicles that will not charge and Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0AA6 and/ or a P1F0E set on 2011-2013 Volt or a P0DAA on 2014 Volt or Cadillac ELR in the Hybrid Powertrain Control Module 2. Technician will need to inspect the Hybrid/EV Battery Pack drain plug, located on the battery tray, regardless of fluid level at the Hybrid/EV Battery Pack coolant reservoir. If any moisture is found during the drain plug inspection, contact the General Motors Technical Assistance Center for further assistance. If the coolant level in cooling system is at the proper level and there is no moisture in the battery during the drain plug inspection, and the coolant freeze protection is between -10 and -40 degrees Fahrenheit, then update the Hybrid Powertrain Control Module2 and Battery Energy Control Module with the latest Calibrations in TIS-2-Web. Technician will need to gather all measurements recorded while evaluating Diagnostic Trouble Code P0AA6 and contact the GM Technical Assistance Center for further assistance.
PIC6015B2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication provides information to the technician when the vehicle will not charge the high voltage battery, current Diagnostic Trouble Codes, and the vehicle will not shift out of park. Technician will follow Service Information for any current Diagnostic Trouble Codes. Technician will insure the charge cord is working correctly. Verify that the issue was not a result of charging infrastructure. Also monitoring the proximity signal for an improper or noisy signal as called out in the current version of PIP4905 may assist in finding a receptacle concern. Inspect the charge receptacle for cracking or water intrusion. If you find an issue with the charge receptacle, a new updated charge receptacle has been released to address the issues.
15-07-30-0012017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. This technical bulletin provides repair information for a customer concern of a clunk noise when shifting into Drive or Reverse, or during heavy acceleration.
PIP54632017-08-15. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); HYBRID PROPULSION SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on and may have a loss of propulsion. Technician may find Diagnostic Trouble Code P0604 set in the Hybrid Powertrain Control Module Technician will need to replace the (T6) Power Inverter Module.
PIP52022017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that have Check Engine Light illuminated with an "Engine Unavailable" and "Reduced Propulsion" messages on the Driver Information Center. Technician may find Diagnostic Trouble Codes a P0AB9 and P0AC4. Technician should not clear any Diagnostic Trouble Codes and ensure Global Diagnostic System 2 is up to date. Technician will need to use Global Diagnostic System 2 and check all modules for Diagnostic Trouble Codes. Now use Global Diagnostic System 2 to create freeze frame data from Hybrid Powertrain Control Module and the Engine Control Module and save a report. Technician will need to verify that the vehicle had not been run very low or out of fuel. Also verify the customer did not press the Power Button causing the vehicle to turn off while driving. Verify that the Internal Combustion Engine runs properly and no other engine related or communication related Diagnostic Trouble Codes are present. Technician should inquire if the remote star was used on the last two drive cycles before the Diagnostic Trouble Code set. Technician should update the Engine Control Module if so. Technician should inspect the ground locations G106 (engine block) and G113 (drive unit case) have been cleaned and are secure making sure the ground eyelets do not spin. Technician should also check for past service history for prior mechanical engine or wiring harness repairs. Inspect the cam timing connector and repair any damage.
PIC5380E2017-08-15. Service bulletin. HYBRID PROPULSION SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This Preliminary Information communication advises the technician that the K114B Hybrid Powertrain Control Module 2, also known as the Hybrid Powertrain Control Module 2 part numbers 22994053 and 22985723 are being placed on restriction through General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.

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