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Service bulletins for the 2014 Dodge Challenger

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.

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

About U0140 on the 2014 Dodge Challenger: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: U0140 are shown. Show all

Bulletins, newest first
18073202022-09-26. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs):U1424-00 - Implausible Engine Torque Signal Received(2015 MY). P0456 - EVAP System Small Leak. P2610 - PCM Internal Engine Off Timer Performance. P2299 - Brake Pedal Position / Accelerator Pedal Position Incompatible. P0335 - Crankshaft Position Sensor Circuit(2014-2015 MY). U0140 - Lost Communication With Body Control Module(LC, LD and LX). P1621 - O2 Sensor Reference Voltage Circuit Low. P1622 - O2 Sensor Reference Voltage Circuit High. P0606 - Internal Control Processor. P0300 - Multiple Cylinder Misfire. P219A - Bank 1 Air-Fuel Ratio Imbalance. P219B - Bank 2 Air-Fuel Ratio Imbalance. P0307 - Cylinder 7 Misfire. P2096 - Downstream Fuel Trim System 1 Lean. P2097 - Downstream Fuel Trim System 1 Rich. The following software enhancements are also available(2015 MY):Reverse gear lock-out change from 16 kph (10 mph) to 4.8 kph (3 mph)(Sales Code EZC with DEC). Change to purge vapor control calibration(Sales Code EZH with DGJ). Improvements to vehicle overspeed control(Sales Code EZH with DGJ). Calibration update to the electronic voltage regulator voltage set point(Sales Code EZH with DGJ). Additional Symptoms:Customers with a Pursuit Dodge Charger (LD) may describe an unpleasant odor in the vehicle under certain extreme ambient conditions2013-2015 MY LD with (Sales Codes EZH with AHB or AHV only). Technicians may find that the original vehicle Frequency Operated Button Integrated Key (FOBIK) does not function properly following replacement of the Wireless Ignition Node (WIN/WCM). The Secret Key information stored in the PCM may be corrupt. This update will restore the PCM?s ability to store/transfer valid Secret Key information
18-088-162022-08-15. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Flash: Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination or a less than desired powertrain response when operating their vehicles in high ambient temperatures. Upon further investigation the technician may find one or more of the following DTCs have been set: · **P0335 - Crankshaft Position Sensor Circuit. · P2610 - PCM Internal Engine Off Timer Performance. · P0456 - EVAP System Small Leak (Sales Code ERB).** · U0140 - Lost Communication With Body Control Module - (BCM) (VF, LD, LX vehicles only). · P0606 - Internal Control Processor.
18-073-202020-09-28. Service bulletin. ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs):U1424-00 - Implausible Engine Torque Signal Received(2015 MY). P0456 - EVAP System Small Leak. P2610 - PCM Internal Engine Off Timer Performance. P2299 - Brake Pedal Position / Accelerator Pedal Position Incompatible. P0335 - Crankshaft Position Sensor Circuit(2014-2015 MY). U0140 - Lost Communication With Body Control Module(LC, LD and LX). P1621 - O2 Sensor Reference Voltage Circuit Low. P1622 - O2 Sensor Reference Voltage Circuit High. P0606 - Internal Control Processor. P0300 - Multiple Cylinder Misfire. P219A - Bank 1 Air-Fuel Ratio Imbalance. P219B - Bank 2 Air-Fuel Ratio Imbalance. P0307 - Cylinder 7 Misfire. P2096 - Downstream Fuel Trim System 1 Lean. P2097 - Downstream Fuel Trim System 1 Rich. The following software enhancements are also available(2015 MY):Reverse gear lock-out change from 16 kph (10 mph) to 4.8 kph (3 mph)(Sales Code EZC with DEC). Change to purge vapor control calibration(Sales Code EZH with DGJ). Improvements to vehicle overspeed control(Sales Code EZH with DGJ). Calibration update to the electronic voltage regulator voltage set point(Sales Code EZH with DGJ). Additional Symptoms:Customers with a Pursuit Dodge Charger (LD) may describe an unpleasant odor in the vehicle under certain extreme ambient conditions2013-2015 MY LD with (Sales Codes EZH with AHB or AHV only). Technicians may find that the original vehicle Frequency Operated Button Integrated Key (FOBIK) does not function properly following replacement of the Wireless Ignition Node (WIN/WCM). The Secret Key information stored in the PCM may be corrupt. This update will restore the PCM?s ability to store/transfer valid Secret Key information
18-052-15 REV A2019-05-20. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. Flash: 5.7L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience one or more of the following symptoms or a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the Powertrain Control Module (PCM): ? U0140 - Lost Communication With Body Control Module (LD and LX). ? U0140 - Lost Communication With Body Control Module (TIPM) stored in the Engine Control Module (ECM) memory (LC vehicles). ? P1621 - O2 Sensor Reference Voltage Circuit Low. ? P1622 - O2 Sensor Reference Voltage Circuit High. ? P0606 - Internal Control Processor. ? P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1. ? P0300 - Multiple Cylinder Misfire (applies only to vehicles using a block heater in ambient temperatures greater than -20°F (-29°C). ? Technicians may find that the original vehicle Frequency Operated Button Integrated Key (FOBIK) does not function properly following replacement of the Wireless Ignition Node (WIN/WCM). The Secret Key information stored in the PCM may be corrupt. This update will restore the PCM?s ability to store/transfer valid Secret Key information (LC vehicles). ? Accuracy improvements for the Automatic Oil Change Indicator (AOCI) system.
18-086-15 REV A2019-05-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. Flash: Powertrain System Improvements/Enhancements 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 or a less than desired powertrain response when operating their vehicles in high ambient temperatures. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTCs) in the PCM: ? U0140 - Lost Communication With Body Control Module (BCM) (VF, LD, LX Vehicles only). ? P0606 - Internal Control Processor.
18-052-152018-12-03. Service bulletin. ENGINE AND ENGINE COOLING. Flash: 5.7L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience one or more of the following symptoms or a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more Dagnostic Trouble Codes (DTCs). ? DTC: U0140 - Lost Communication With Body Control Module (TIPM) stored in the Engine Control Module (ECM) memory (applies only to LC vehicles). ? DTC: P1621 - O2 Sensor Reference Voltage Circuit Low ? DTC: P1622 - O2 Sensor Reference Voltage Circuit High ? DTC: P0606 - Internal Control Processor ? DTC: P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 ? P0300 - Multiple Cylinder Misfire (applies only to vehicles using a block heater in ambient temperatures greater than -20°F (-29°C)) ? Technicians may find that the original vehicle Frequency Operated Button Integrated Key (FOBIK) does not function properly following replacement of the Wireless Ignition Node (WIN/WCM). The Secret Key information stored in the PCM may be corrupt. This update will restore the PCM?s ability to store/transfer valid Secret Key information (applies only to LC vehicles). ? Accuracy improvements for the Automatic Oil Change Indicator (AOCI) system.
18-050-15 REVA2018-12-03. Service bulletin. POWER TRAIN. Flash: 3.6L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience one or more of the following: ? Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find Diagnostic Trouble Code (DTC) U0140 - Lost Communication With Body Control Module (TIPM) stored in the Engine Control Module (ECM) memory. ? For 2011 vehicles built prior to February 2, 2011, the customer may experience a condition known as ?Idle Buffeting? while the vehicle is idling. This condition can be similar to driving down the road with one rear window down and all others rolled up, causing a thumping or buffeting sound. The idle speed will be adjusted to 650 RPM to correct this condition.
18-088-16 REV. A2018-05-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; POWER TRAIN. Flash: Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination or a less than desired powertrain response when operating their vehicles in high ambient temperatures. Upon further investigation the technician may find one or more of the following DTCs have been set: · **P0335 - Crankshaft Position Sensor Circuit. · P2610 - PCM Internal Engine Off Timer Performance. · P0456 - EVAP System Small Leak (Sales Code ERB).** · U0140 - Lost Communication With Body Control Module - (BCM) (VF, LD, LX vehicles only). · P0606 - Internal Control Processor.
18-088-16 REV. A2018-02-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination or a less than desired powertrain response when operating their vehicles in high ambient temperatures. Upon further investigation the technician may find one or more of the following DTCs have been set: · **P0335 - Crankshaft Position Sensor Circuit. · P2610 - PCM Internal Engine Off Timer Performance. · P0456 - EVAP System Small Leak (Sales Code ERB).** · U0140 - Lost Communication With Body Control Module - (BCM) (VF, LD, LX vehicles only). · P0606 - Internal Control Processor.
18-088-162017-11-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Flash: Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. · **P0456 - EVAP System Small Leak (Sales Code ERB).** · U0140 - Lost Communication With Body Control Module - (BCM) (VF, LD, LX vehicles only). · P0606 - Internal Control Processor.
18-084-162017-11-03. Service bulletin. POWER TRAIN; STRUCTURE; ELECTRICAL SYSTEM. Flash: 5.7L Diagnostic And System Improvements This bulletin involves reprogramming of the Powertrain Control Module (PCM) with the latest 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 Codes (DTCs): · **P0456 - Evap System Small Leak. · P2610 - PCM Internal Engine Off Timer Performance. · P2299 - Brake Pedal Position / Accelerator Pedal Position Incompatible. · P0335 - Crankshaft Position Sensor Circuit. (2014-2015 MY).** · U0140 - Lost Communication With Body Control Module. (LC, LD and LX). · P1621 - O2 Sensor Reference Voltage Circuit Low. · P1622 - O2 Sensor Reference Voltage Circuit High. · P0606 - Internal Control Processor. · P0300 - Multiple Cylinder Misfire. · P219A - Bank 1 Air-Fuel Ratio Imbalance. · P219B - Bank 2 Air-Fuel Ratio Imbalance. · P0307 - Cylinder 7 Misfire. · P2096 - Downstream Fuel Trim System 1 Lean. · P2097 - Downstream Fuel Trim System 1 Rich.

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