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Service bulletins for the 2014 Jeep Grand Cherokee

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.

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

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Only bulletins with component: Transmission control module are shown. Show all

Bulletins, newest first
S17090000102023-01-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. Upon investigation, it may be found that there is excessive camshaft lobe wear/lifter wear (roller failure) on one or more cam lobes and that camshaft/lifter replacement is necessary.
V512022-12-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); UNKNOWN OR OTHER. Customer Satisfaction Notification V51 Reprogram Powertrain Control Module
W412022-09-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Customer Satisfaction Notification W41 Reprogram Powertrain Control Module
1801914REVA2022-09-26. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Power Control Module Software Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The customers may experience one or all of the following: - Customer may experience a "detonation" type of noise while accelerating or at idle. - Customers may experience Cruise Control lock out (inoperative) after several ?+? cruise button inputs attempting to increase Cruise Set Speed. Turning the ignition off and back on will clear the condition. - MIL light illuminates and DTC P2463-00 ?Diesel Particulate Filter- Soot Accumulation? set in the PCM.
21-017-142022-08-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Flash: Transmission Shift Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) and Transmission Control Module (TCM) with new software. NOTE: Both the PCM and TCM must be up to date for these changes to be effective. The customer may indicate that they are not satisfied with the shift quality of the transmission. Improvements to the transmission calibration have been made to the following: Upshift Improvements ? Shift quality in Normal Mode ? Shift quality in Sport Mode ? Shift inhibit while transitioning in/out of MDS Downshift Improvements ? Downshift quality while accelerating ? Downshift quality while coasting General Improvements ? Torque converter clutch control during interlocked downshifts ? Torque converter clutch control during accelerator pedal tip in/out ? High speed gear hunting (shifting back/forth repeatedly between two gears) ? Allow 3rd gear launch at high altitude while in Snow Mode ? 2nd gear launch quality in ECO mode
18-023-15 REV.C2022-07-25. Service bulletin. FUEL SYSTEM, DIESEL; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; EQUIPMENT; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). Flash: 3.0 L MIL Illumination Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. It also involves the cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 and/or Catalyst Temperature Sensor if necessary depending on Diagnostic Trouble Codes (DTCs) that may have set. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Code(s) may have been set: ? P20C2-00 - Reductant Heater 3 Control Circuit Performance. ? P204F-00 - Reductant System Performance. ? P20E9-00 - Reductant Pressure Too High. ? P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Timing Control. ? P1288-00 - NOX Sensor 1/2 Zero Offset Too High. ? P2002-00 - Diesel Particulate Filter Efficiency Below Threshold. ? P2299-00 - Brake Pedal Position / Accelerator Pedal Position Incompatible. ? P241D-00 - Scr Inducement - Forced Engine Shutdown. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P1297-00 - EGR Slow Response - Decreasing Flow. ? P208B-00 - Reductant Pump 1 Control Performance. ? P0087-00 - Fuel Rail Pressure Too Low. ? P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. ? P225C-00 - NOX Sensor Performance - Signal Stuck High Bank 1 Sensor 1. ? P225D-00 - NOX Sensor 1/1 Performance - Signal Stuck Low. ? P1289-00 - NOX Sensor 1/2 Zero Offset Too Low. ? P1296-00 - EGR Slow Response - Increasing Flow. ? P2BA9-00 - NOX Exceedence - Insufficient Reagent Quality. ? P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 2. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance Bank 1 Sensor 1. ? P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 3. ? P062B-00 - Internal Control M
S2025000001 Rev.2020-12-28. Service bulletin. EXTERIOR LIGHTING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT. (Rev. B) Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
S2025000001 Rev.2020-12-21. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). (Rev. B) Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
W41 Combo2020-08-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Customer Satisfaction Notification W41 Reprogram Powertrain Control Module
18-023-15 REV-C2018-12-17. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: 3.0 L MIL Illumination Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. It also involves the cleaning or replacement of the Exhaust Gas Temperature (EGT) Sensor 1/2 and/or Catalyst Temperature Sensor if necessary depending on Diagnostic Trouble Codes (DTCs) that may have set. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Code(s) may have been set: ? P20C2-00 - Reductant Heater 3 Control Circuit Performance. ? P204F-00 - Reductant System Performance. ? P20E9-00 - Reductant Pressure Too High. ? P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Timing Control. ? P1288-00 - NOX Sensor 1/2 Zero Offset Too High. ? P2002-00 - Diesel Particulate Filter Efficiency Below Threshold. ? P2299-00 - Brake Pedal Position / Accelerator Pedal Position Incompatible. ? P241D-00 - Scr Inducement - Forced Engine Shutdown. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P1297-00 - EGR Slow Response - Decreasing Flow. ? P208B-00 - Reductant Pump 1 Control Performance. ? P0087-00 - Fuel Rail Pressure Too Low. ? P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. ? P225C-00 - NOX Sensor Performance - Signal Stuck High Bank 1 Sensor 1. ? P225D-00 - NOX Sensor 1/1 Performance - Signal Stuck Low. ? P1289-00 - NOX Sensor 1/2 Zero Offset Too Low. ? P1296-00 - EGR Slow Response - Increasing Flow. ? P2BA9-00 - NOX Exceedence - Insufficient Reagent Quality. ? P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 2. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance Bank 1 Sensor 1. ? P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 3. ? P062B-00 - Internal Control M
18-023-152018-09-24. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: 3.0 L MIL Illumination Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Code(s) may have been set: ? P20C2 - Reductant Heater 3 Control Circuit Performance. ? P204F - Reductant System Performance. ? P20E9 - Reductant Pressure Too High. ? P0087-00 - Fuel Rail Pressure Too Low. ? P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. ? P0171-00 - System Too Lean (Bank 1). ? P0172-00 - System Too Rich (Bank 1). ? P225C-00 - NOX Sensor Performance - Signal Stuck High Bank 1 Sensor 1. ? P225D-00 - NOX Sensor 1/1 Performance - Signal Stuck Low. ? P1288-00 - NOX Sensor 1/2 Zero Offset Too High. ? P1289-00 - NOX Sensor 1/2 Zero Offset Too Low. ? P1296-00 - EGR Slow Response - Increasing Flow. ? P1297-00 - EGR Slow Response - Decreasing Flow. ? P2BA9-00 - NOX Exceedence - Insufficient Reagent Quality. ? P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. ? P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 2. ? P0426-00 - Catalyst Temperature Sensor Circuit Performance Bank 1 Sensor 1. ? P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 3. ? P062B-00 - Internal Control Module Fuel Injector Control Circuit Performance. ? P0088-00 - Fuel Rail Pressure Too High. ? P016F-00 - Closed Loop fuel Pressure Control At Limit - Pressure Too Low. ? P009A-00 - Intake Air Temperature / Ambient Air Temperature Correlation. ? P0234-00 - Turbocharger Overboost Condition. ? P0420-00 - Catalyst Efficiency (Bank 1). ? P050E-00 - Cold Start Engine Exhaust Temperature Too Low. ? P05F8-00 - Reductant Heater Control Module Performance. ? P061B-00 - Internal Control Module Torque Calculation
18-018-14 REV. C2018-06-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. Flash: MIL Illumination - Remote Start, Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Some customers may experience a condition that the Remote Start will not start the vehicle in cold 14° F (-10° C) ambient temperatures. Software enhancements will help this issue. Some customers may experience a condition that the Oil Life Monitor shows faster then expected oil life deterioration. Software enhancements will address this issue. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that any of the following Diagnostic Trouble Code(s) may have been set erroneously: ? P0087-00 - FUEL RAIL PRESSURE TOO LOW ? P0088-00 - FUEL RAIL PRESSURE TOO HIGH ? P016F-00 - CLOSED LOOP FUEL PRESSURE CONTROL AT LIMIT - PRESSURE TOO LOW ? P009A-00 - INTAKE AIR TEMPERATURE / AMBIENT AIR TEMPERATURE CORRELATION ? P0234-00 - TURBOCHARGER OVERBOOST CONDITION ? P0420-00 - CATALYST EFFICIENCY (BANK 1) ? P0426-00 - CATALYST TEMPERATURE SENSOR CIRCUIT PERFORMANCE (BANK 1 SENSOR 1) ? P050E-00 - COLD START ENGINE EXHAUST TEMPERATURE TOO LOW ? P05F8-00 REDUCTANT HEATER CONTROL MODULE PERFORMANCE ? P061B-00 - INTERNAL CONTROL MODULE TORQUE CALCULATION PERFORMANCE ? P062B-00 - INTERNAL CONTROL MODULE FUEL INJECTOR CONTROL CIRCUIT PERFORMANCE ? P0128-00 - THERMOSTAT RATIONALITY ? P1D30-00 - OIL VISCOSITY TOO LOW ? P200A-00 - INTAKE MANIFOLD RUNNER PERFORMANCE - BANK 1 ? P200B-00 - INTAKE MANIFOLD RUNNER PERFORMANCE - BANK 2 ? P202E-00 - REDUCTANT INJECTION VALVE CIRCUIT PERFORMANCE ? P203E-00 - REDUCTANT LEVEL SENSOR 1 CIRCUIT INTERMITTENT/ERRATIC ? P204F-00 - REDUCTANT SYSTEM PERFORMANCE ? P2080-00 - EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE ? P2084-00 - EXHAUST GAS TEMPERATURE SENSOR CIRCUIT PERFORMANCE - BANK 1 SENSOR 2 ? P20BA-00 - REDUCTANT HEATER 1 CONTROL CIRCUI
T012018-06-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Customer Satisfaction Notification T01 Reprogram Powertrain Control Module The Powertrain Control Module (PCM) on about 15 of the above vehicles may have received PCM software containing calibration errors when recall S49 was performed. PCM software containing calibration errors may result in the radiator cooling fan producing excessive fan noise during operation. The PCM on involved vehicles must be reprogrammed with new software.
18-018-14 REV. E2018-06-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: 3.0 L MIL Illumination Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Code(s) may have been set: P0087-00 - Fuel Rail Pressure Too Low. P20EE-00 - SCR NOX Catalyst Efficiency Below Threshold Bank 1. P0171-00 - System Too Lean (Bank 1). P0172-00 - System Too Rich (Bank 1). P225C-00 - NOX Sensor Performance - Signal Stuck High Bank 1 Sensor 1. P225D-00 - NOX Sensor 1/1 Performance - Signal Stuck Low. P1288-00 - NOX Sensor 1/2 Zero Offset Too High. P1289-00 - NOX Sensor 1/2 Zero Offset Too Low. P1296-00 - EGR Slow Response - Increasing Flow. P1297-00 - EGR Slow Response - Decreasing Flow. P2BA9-00 - NOX Exceedence - Insufficient Reagent Quality. P2080-00 - Exhaust Gas Temperature Sensor Circuit Performance. P2084-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 2. P0426-00 - Catalyst Temperature Sensor Circuit Performance Bank 1 Sensor 1. P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance-Bank 1 Sensor 3. P062B-00 - Internal Control Module Fuel Injector Control Circuit Performance. P0088-00 - Fuel Rail Pressure Too High. P016F-00 - Closed Loop fuel Pressure Control At Limit - Pressure Too Low. P009A-00 - Intake Air Temperature / Ambient Air Temperature Correlation. P0234-00 - Turbocharger Overboost Condition. P0420-00 - Catalyst Efficiency (Bank 1). P050E-00 - Cold Start Engine Exhaust Temperature Too Low. P05F8-00 - Reductant Heater Control Module Performance. P061B-00 - Internal Control Module Torque Calculation Performance. P0128-00 - Thermostat Rationality P1D30-00 - Oil Viscosity Too Low P200A-00 - Intake Manifold Runner Performance - Bank 1 P200B-00 - Intake Manifold Runner Performance - Bank 2
18-008-14 REV. A2018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: MIL Illumination P0300- Multiple Cylinder Misfire and/or P0573- Brake Switch 1 Stuck Off This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: (only applies to 5.7L engines) P0573 - Brake Switch 1 Stuck OffThe following powertrain system improvements/enhancements are also included in this software release: Corrected a generic scan tool display issue regarding Mode 6 data accuracy. (only applies to 5.7L engines)
18-019-142018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Cruise Control Inoperative and/or Knocking (Detonation) Sound This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience Cruise Control lock out (inoperative) after several ?+? cruise button inputs attempting to increase Cruise Set Speed. Turning the ignition off and back on will clear the condition.Some vehicles equipped with Euro 4 Emissions (sales code NB4) may experience a knocking noise due to detonation.
21-009-142018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Improved Rolling Reverse to Drive Shift Quality This bulletin involves flash reprogramming of the Transmission Control Module (TCM) with new software. Customers may indicate that the rolling reverse to drive shift quality may not meet their expectations.
SB-18-023-15-C2016-06-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-18-008-142014-05-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE; ELECTRICAL SYSTEM:SOFTWARE. JEEP/DODGE: DIAGNOSTIC TROUBLE CODES (DTCS) ARE SET ON MULTIPLE CYLINDER MISFIRE, BRAKE SWITCH 1 STUCK OFF CAUSING MALFUNCTION INDICATOR LAMP (MIL) TO ILLUMINATE AND NEW SOFTWARE FOR SELECTIVE ERASING AND REPROGRAMMING OF POWERTRAIN CONTROL MODULE (PCM). MODEL 2014 GRAND CHEROKEE, DURANGO. *PE
SB-21-011-132014-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. JEEP: THE TRANSMISSION CONTROL MODULE (TCM) NEEDS TO HAVE NEW SOFTWARE REPROGRAMMED DUE TO MULTIPLE SHIFTING ISSUES. MODEL 2014 GRAND CHEROKEE. *PE

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