# Service bulletin 18\-010\-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: 10121935
- Published by NHTSA: 2017\-11\-03
- Manufacturer's number: 18\-010\-16
- Manufacturer's date: 2016\-01\-28
- NHTSA component: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN

## NHTSA's summary

Flash: 3.6L Powertrain Diagnostic And System Enhancements P1239 This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find Diagnostic Trouble Code \(DTC\) P1239 \- Engine Oil Temperature Too Low. Software enhancements will improve diagnostic strategies and engine stop/start performance during cold ambient temperatures with extended idle times.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10121935-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10121935-0001.pdf)

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

## Components

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

## Trouble codes named

P1239

## Vehicles listed

- 2015 RAM 1500

## 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

- [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.
- [2102815](/bulletins/10220462.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. 8HP70 Tranmission shift enhancements.
- [1800215 REV A](/bulletins/10215108.md), 2022-07-05, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with updated
- [21\-028\-15](/bulletins/10191433.md), 2021-05-03, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. 8HP70 Tranmission shift enhancements.
- [S2025000001 Rev.](/bulletins/10184701.md), 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.](/bulletins/10184401.md), 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.
- [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.
- [21\-025\-15 REV\-A](/bulletins/10148955.md), 2018-11-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Flash: 854RE Transmission Shift Enhancements This bulletin involves reprogramming the Transmission Control Module \(TCM\) with the latest available software. A small number of customers may experience one or more of the following Symptom/Condition\(s\) and/or a Malfunction Indicator Lamp \(MIL\) due to an erroneous Diagnostic Trouble Code \(DTC\): ? P1DCD \- TCM monitoring processor performance multiple clutches locked up. ? P1B13 \- Park\-By\-Wire unintended out of park position. ? P0734 \- Gear 4 Shift Incorrect Ratio set in the TCM memory. ? Bump sensation felt during engine start/stop transition on light throttle acceleration \(Engine Stop Start \(ESS\) equipped vehicles only\). ? Less than desired overall downshifts during normal driving. ? Less than desired downshifts during passing maneuvers. ? Less than desired upshift quality in lower gears.
- [21\-037\-15](/bulletins/10148942.md), 2018-11-26, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\); POWER TRAIN:AUTOMATIC TRANSMISSION. Transmission Heater Assembly Reinforcement Plate This bulletin involves verifying the Transmission Heater Assembly build date and if necessary, replacing the Transmission Heater. A small number of customers may notice the presence of transmission fluid in the engine coolant.
- [21\-014\-15](/bulletins/10144828.md), 2018-09-24, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. Flash: 8HP70 Transmission Shift Quality And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module \(TCM\) with the latest available software A small number of customers may experience one or more of the following conditions. ? Bump sensation during tip\-in acceleration between 5\-10 mph \(8\-16 kph\). ? Less than desired transmission performance during Torque Converter Clutch \(TCC\) lockup. ? Less than desired transmission performance in Tow/Haul mode. ? Less than desired transmission performance during coast down deceleration at higher altitudes. ? Bump sensation during 6\-5 downshift. ? Bump sensation during 1\-2 upshift.

JSON: [/v1/bulletins/10121935](/v1/bulletins/10121935)

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