# Service bulletin 1800116REVC

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: 10228104
- Published by NHTSA: 2022\-12\-19
- Manufacturer's number: 1800116REVC
- Manufacturer's date: 2016\-05\-13
- NHTSA component: ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING

## NHTSA's summary

Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. Customers may experience bucking under hard acceleration. In addition customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\) set in the PCM memory: · \*\*P206D\-00 \- Reductant Quality Sensor Circuit High. · P26AB\-00 \- Engine Coolant Bypass Valve Stuck. · P050E\-00 \- Cold Start Engine Exhaust Temperature Too Low. · U3017\-00 \- Control Module Timer/Clock Performance.\*\* · P026A\-00 \- Charge Air Cooler Efficiency Below Threshold. · P1296\-00 \- EGR Slow Response \- Increasing Flow. · P20C2\-00 \- Reductant Heater 3 Control Circuit Performance. · P249C\-00 \- Excessive Time To Enter Closed Loop Reductant Injection Timing Control. The technician may also find the following Diagnostic Trouble Code \(DTC\) set in the Transmission Control Module \(TCM\) memory: · U1424\-00 \- Implausible Engine Torque Signal Received.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10228104-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10228104-9999.pdf)

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

## Components

Electrical system, Engine, Transmission and driveline

## Trouble codes named

P026A, P050E, P1296, P206D, P20C2, P249C, P26AB, U1424, U3017

## Vehicles listed

- 2016 RAM 1500

## Recalls for the same vehicles and component

- [2023338](/recalls/tc/2023338.md), 2023-06-08: Engine
- [23V411000](/recalls/nhtsa/23V411000.md), 2023-06-08: ENGINE AND ENGINE COOLING
- [2020371](/recalls/tc/2020371.md), 2020-08-13: Engine
- [20V475000](/recalls/nhtsa/20V475000.md), 2020-08-13: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- [2019535](/recalls/tc/2019535.md), 2019-10-25: Engine
- [19V757000](/recalls/nhtsa/19V757000.md), 2019-10-24: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\)
- [2018269](/recalls/tc/2018269.md), 2018-05-17: Engine
- [18V332000](/recalls/nhtsa/18V332000.md), 2018-05-17: ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING
- [2017659](/recalls/tc/2017659.md), 2017-12-21: Powertrain
- [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

- [S1623000028 Rev. K](/bulletins/11033975.md), 2026-06-18, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
- [S1623000028 REV.I](/bulletins/11033308.md), 2026-06-03, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
- [S2621000003 REV.A](/bulletins/11030138.md), 2026-03-18, Service bulletin: POWER TRAIN. The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75\-PHEV, 8HP75\-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.
- [S1408000384 REV.J](/bulletins/11030035.md), 2026-03-13, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [S1408000384 REV.I](/bulletins/11028904.md), 2026-02-19, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [9100639](/bulletins/11021845.md), 2025-08-13, Service bulletin: ENGINE. Verify Reman part number availability. Order the "R" part number for all orders: Warranty, Mopar, customer pay and service contract. Order "68" part number for New unsold units only.
- [106241](/bulletins/11021585.md), 2025-08-06, Service bulletin: ELECTRICAL SYSTEM. LAMP \- DOME
- [104974](/bulletins/11019776.md), 2025-06-26, Service bulletin: ELECTRICAL SYSTEM. LAMP \- DOME
- [103774](/bulletins/11017451.md), 2025-05-01, Service bulletin: ELECTRICAL SYSTEM. LAMP \- DOME
- [S2505000001](/bulletins/11014973.md), 2025-03-05, Service bulletin: ENGINE. CEL \(Check Engine Lamp\) C006A\-49 Multi\-Axis Acceleration Sensor Internal Electronic Failure And C10CC\-00 ESC Sensors.

JSON: [/v1/bulletins/10228104](/v1/bulletins/10228104)

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