# Service bulletin 21\-004\-16

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.

- Type: Service bulletin
- NHTSA id: 10121913
- Published by NHTSA: 2017\-11\-03
- Manufacturer's number: 21\-004\-16
- Manufacturer's date: 2016\-01\-08
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM; POWER TRAIN

## NHTSA's summary

Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module \(TCM\) with the latest available software. Some customers may experience one or more of the following conditions: · A harsh 1\-2 upshift. · Excessive gear shifting.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10121913-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10121913-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Transmission and driveline, Automatic transmission, Transmission control module

## Vehicles listed

- 2016 RAM 3500
- 2016 RAM 4500

## Recalls for the same vehicles and component

- [17V821000](/recalls/nhtsa/17V821000.md), 2017-12-20: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

## Other bulletins for the same vehicles and component

- [1813022REVA](/bulletins/10230344.md), 2023-01-17, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); FUEL SYSTEM, DIESEL. Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module \(ECM/PCM\) with the latest available software. The customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following DTCs: P20EE \- SCR NOx Catalyst Efficiency Below Threshold \- Bank 1. P1C54 \- SCR NOx Catalyst Missing. P229F \- Aftertreatment NOx Sensor Circuit Performance \- Bank 1 Sensor 2. P207F \- Reductant Quality Performance. P2002 \- Diesel Particulate Filter Efficiency Below Threshold. P2201 \- Aftertreatment NOx Sensor Circuit Performance \- Bank 1 Sensor 1. P202E \- \(Diesel Exhaust Fluid\) Reductant Injector Performance. P0300 \- Multiple Cylinder Misfire. P0301\-00 \- Cylinder 1 Misfire. P0302\-00 \- Cylinder 2 Misfire. P0303\-00 \- Cylinder 3 Misfire. P0304\-00 \- Cylinder 4 Misfire. P0305\-00 \- Cylinder 5 Misfire. P0306\-00 \- Cylinder 6 Misfire. P249E \- Closed Loop SCR Reductant Injection Control At Limit \- Flow Too High. P0128 \- Thermostat Rationality. P218F \- Reductant No Flow Detected. U0001\-00 \- CAN C BUS. P24A5 \- EGR Cooler Bypass Bank 1 Control Stuck. P1451 \- Diesel Particulate Filter System Performance. P229E \- NOx Sensor Circuit \- Bank 1 Sensor 2. P0218 \- Transmission High Temperature Operation Activated \(68RFE Only\). P0868 \- Line Pressure Low, MIL Action \(68RFE Only\). U110E \- Lost Ambient Temperature Message. P205E \- \(Diesel Exhaust Fluid\) Reductant Tank Temperature Sensor Circuit Intermittent \(setting when the block heater is plugged in\). The following DTCs have been changed from a one trip fault to a two trip fault:P0421 \- Catalyst 1 Efficiency Below Threshold Bank 1. P2280 \- Air Flow Restriction / Leak Between Air Cleaner And MAF. P203C \- \(Diesel Exhaust Fluid\) Reductant Level Sensor Circuit Low. P208D \- \(Diesel Exhaust Fluid\) Reductant Pump Control Circuit High. In addition to addressing the above DTCs,
- [S1709000010](/bulletins/10229031.md), 2023-01-09, 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.
- [1810822REVA](/bulletins/10221495.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with updatedsoftware. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find oneor more of the following Diagnostic Trouble Codes \(DTCs\): P0335 \- Crankshaft Position Sensor Circuit. P2610 \- PCM Internal Engine Off Timer Performance. P0456 \- EVAP System Small Leak.
- [1810822](/bulletins/10221474.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with updatedsoftware. The customer may describe extended cranking or starting times when the Compressed Natural Gas \(CNG\) tank level is low\(DJ only\) \(Sales Code EZF only\).Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation thetechnician may find one or more of the following Diagnostic Trouble Codes \(DTCs\): P0335 \- Crankshaft Position Sensor Circuit. P2610 \- PCM Internal Engine Off Timer Performance. P0456 \- EVAP System Small Leak.
- [18\-027\-16](/bulletins/10219820.md), 2022-09-15, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module \(ECM/PCM\) with the latest available software. The following Diagnostic Trouble Codes \(DTCs\) have been changed from a one trip fault to a two trip fault: · P0421 \- Catalyst 1 Efficiency Below Threshold Bank 1. · P2280 \- Air Flow Restriction / Leak Between Air Cleaner And MAF. · P203C \- \(Diesel Exhaust Fluid\) Reductant Level Sensor Circuit Low. · P208D \- \(Diesel Exhaust Fluid\) Reductant Pump Control Circuit High. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation a technician may find the following DTCs set in the PCM memory: · P0128 \- Thermostat Rationality Improvements. · P2281 \- Air Leak Between MAF and Throttle Body. · P218F \- Reductant No Flow Detected. · P0218 \- Transmission High Temperature Operation Activated \(68RFE Only\). · P0868 \- Line Pressure Low, MIL Action \(68RFE Only\). · U110E \- Lost Ambient Temperature Message. · P205E \- \(Diesel Exhaust Fluid\) Reductant Tank Temperature Sensor Circuit Intermittent \(setting when the block heater is plugged in\). In addition to addressing the above DTCs, the following powertrain system improvements/enhancements are also included in this software release: · Engine Noise Improvements. · Engine Hesitation Improvement. · Improved Engine Fuel Economy. · Reduction in engine noise during regeneration at idle. · 68RFE Transmission Overall Shift Quality Improvements. · Test results fix for partial range misfire \(68RFE Only\). · Ambient Air Temperature Improvements. · Stationary Desoot with wiTECH Fix. · OBD Misfire Monitoring Improvement \(68RFE Only\).
- [18\-092\-17](/bulletins/10216314.md), 2022-07-25, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN; POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); EQUIPMENT. Flash: 6.7L Diagnostic and System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module \(ECM/PCM\) with the latest available software. The following Diagnostic Trouble Codes \(DTCs\) have been changed from a one trip fault to a two trip fault:P2280 \- Air Flow Restriction / Leak Between Air Cleaner and MAF. P203C \- \(Diesel Exhaust Fluid\) Reductant Level Sensor Circuit Low. P208D \- \(Diesel Exhaust Fluid\) Reductant Pump Control Circuit High. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation a technician may find the following DTCs set in the PCM memory:P218F \- Reductant No Flow Detected\(automatic transmission only\). P202E \- \(Diesel Exhaust Fluid\) Reductant Injector Performance\(automatic transmission only\). U0001\-00 \- CAN C BUS\(automatic transmission only\). P1C55 \- NOx Sensor Intermittent \- Bank 1 Sensor 1\(automatic transmission only\). P24A5 \- EGR Cooler Bypass Bank 1 Control Stuck\(automatic transmission only\). P207F \- Reductant Quality Performance. P218F \- Reductant No Flow Detected. U110E \- Lost Ambient Temperature Message. The following improvements/enhancements are also included in this software release:Fuel pressure override test improvement for wiTECH\(automatic transmission only\). AC pressure sensor error threshold change\(automatic transmission only\). No crank, No start fix\(automatic transmission only\). Ambient Air Temperature Improvements. Stationary de\-soot with WiTECH fix.
- [S1625000007 Rev.](/bulletins/10188738.md), 2021-03-15, Service bulletin: EXTERIOR LIGHTING; EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Code \(DTC\) P207F ? Reductant Quality Performance Set.
- [18\-072\-15](/bulletins/10151751.md), 2018-12-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN. Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module \(ECM/PCM\) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation a technician may find the following Diagnostic Trouble Codes \(DTCs\) set in the PCM memory. ? U110E\-Lost Ambient Temperature Message ? P205E\-\(Diesel Exhaust Fluid\) Reductant Tank Temperature Sensor Circuit Intermittent \(setting when the block heater is plugged in\) In addition to addressing the above DTCs, the following powertrain system improvements/enhancements are also included in this software release. ? 68RFE Transmission Overall Shift Quality Improvements ? OBD Misfire Monitoring Improvement \(68RFE Trans Only\)
- [68211004A](/bulletins/10149016.md), 2018-11-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Shifter \- Automatic Trans Before this part is replaced for any issue please call John Grzecki on cell \(248\) 379\- 0969. If you do not receive a return call within 15 minutes, proceed with the repair. Please be sure to accurately record any DTCs identified with the scan tool and document them on the repair order.
- [18\-027\-16 REV. B](/bulletins/10141275.md), 2018-06-18, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN:AUTOMATIC TRANSMISSION. Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module \(ECM/PCM\) with the latest available software. The following DTCs have been changed from a one trip fault to a two trip fault: · P0421 \- Catalyst 1 Efficiency Below Threshold Bank 1. · P2280 \- Air Flow Restriction / Leak Between Air Cleaner And MAF. · P203C \- \(Diesel Exhaust Fluid\) Reductant Level Sensor Circuit Low. · P208D \- \(Diesel Exhaust Fluid\) Reductant Pump Control Circuit High. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation a technician may find the following DTCs set in the PCM memory: · \*\*P0128 \- Thermostat Rationality Improvements.\*\* · P2281 \- Air Leak Between MAF and Throttle Body. · P218F \- Reductant No Flow Detected. · P0218 \- Transmission High Temperature Operation Activated \(68RFE Only\). · P0868 \- Line Pressure Low, MIL Action \(68RFE Only\). · U110E \- Lost Ambient Temperature Message. · P205E \- \(Diesel Exhaust Fluid\) Reductant Tank Temperature Sensor Circuit Intermittent \(setting when the block heater is plugged in\). In addition to addressing the above DTCs, the following powertrain system improvements/enhancements are also included in this software release: · \*\*Engine Noise Improvements. · Engine Hesitation Improvement. · Improved Engine Fuel Economy.\*\* · Reduction in engine noise during regeneration at idle. · 68RFE Transmission Overall Shift Quality Improvements. · Test results fix for partial range misfire \(68RFE Only\). · Ambient Air Temperature Improvements. · Stationary Desoot with wiTECH Fix. · OBD Misfire Monitoring Improvement \(68RFE Only\).

JSON: [/v1/bulletins/10121913](/v1/bulletins/10121913)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2021-004-16&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10121913&vehicle=Service%20bulletin%2021-004-16)