# Service bulletin 18\-018\-13 REV. A 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: 10136902 - Published by NHTSA: 2018\-05\-21 - Manufacturer's number: 18\-018\-13 REV. A - Manufacturer's date: 2013\-06\-29 - NHTSA component: FUEL SYSTEM, DIESEL; POWER TRAIN; ELECTRICAL SYSTEM ## NHTSA's summary Flash: Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo Diesel. Prevent Or Reduce Unnecessary Malfunction Indicator Lamp \(MIL\) Illumination For The Following Transmission Faults. These Faults Are Currently Tripped As A One Trip Fault And Should Have Been A Two Trip Fault: ? P0711 \- TRANSMISSION TEMPERATURE SENSOR PERFORMANCE ? P0712 \- TRANSMISSION TEMPERATURE SENSOR LOW ? P0713 \- TRANSMISSION TEMPERATURE SENSOR HIGH ? P0714 \- TRANSMISSION TEMPERATURE SENSOR INTERMITTENT ? P0740 \- TCC OUT OF RANGE ? P0869 \- LINE PRESSURE HIGH ? P0933 \- HYDRAULIC PRESSURE SENSOR RANGE/PERFORMANCE ? P0934 \- LINE PRESSURE SENSOR CIRCUIT LOW ? P0935 \- LINE PRESSURE SENSOR CIRCUIT HIGH ? P1775 \- SOLENOID SWITCH VALVE LATCHED IN TCC POSITION ? P1776 \- SOLENOID SWITCH VALVE LATCHED IN LR POSITION ? U0100 \- LOST COMMUNICATION WITH ECM/PCM ? U0002 \- CAN C BUS OFF PERFORMANCE \- BUS OFF Improvements To Prevent Or Reduce Unnecessary Malfunction Indicator Lamp \(MIL\) Illumination For: ? P026A \- CHARGE AIR COOLER EFFICIENCY BELOW THRESHOLD ? P0544 \- EXHAUST GAS TEMPERATURE SENSOR CIRCUIT \- BANK 1 SENSOR 1 ? P0562 \- BATTERY VOLTAGE LOW ? P20EE \- SCR NOx CATALYST EFFICIENCY BELOW THRESHOLD \- BANK 1 ? P2201 \- AFTERTREATMENT NOx SENSOR CIRCUIT PERFORMANCE \- BANK 1 SENSOR 1 ? P2281 \- AIR LEAK BETWEEN MAF AND THROTTLE BODY ? P24A5 \- EGR COOLER BYPASS BANK 1 CONTROL STUCK ? P2459 \- DIESEL PARTICULATE FILTER REGENERATION TOO FREQUENT ? P249E \- CLOSED LOOP SCR REDUCTANT INJECTION CONTROL AT LIMIT \- FLOW TOO HIGH Other Updates: ? With the ignition in the ?Run? position, engine not running, a small number of customers may experience a message in the Vehicle Information Center that states ?Service Exhaust System \- see dealer? erroneously. ? Add engine run time t ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10136902-9999.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10136902-0001.pdf) The document is the manufacturer's. This site does not hold it. ## Components Electrical system, Fuel system, Transmission and driveline ## Trouble codes named P026A, P0544, P0562, P0711, P0712, P0713, P0714, P0740, P0869, P0933, P0934, P0935, P1775, P1776, P20EE, P2201, P2281, P2459, P249E, P24A5, U0002, U0100 ## Vehicles listed - 2013 RAM 2500 - 2013 RAM 3500 ## Recalls for the same vehicles and component - [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 - [16V739000](/recalls/nhtsa/16V739000.md), 2016-10-13: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR - [2016500](/recalls/tc/2016500.md), 2016-10-12: Electrical - [2014449](/recalls/tc/2014449.md), 2014-10-09: Fuel System - [14V635000](/recalls/nhtsa/14V635000.md), 2014-10-08: ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL ## 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. - [110603](/bulletins/11030026.md), 2026-03-13, Service bulletin: ELECTRICAL SYSTEM. SPEAKER \- NONE - [110604](/bulletins/11030025.md), 2026-03-13, Service bulletin: ELECTRICAL SYSTEM. SPEAKER \- NONE - [9100735](/bulletins/11026651.md), 2025-12-17, Service bulletin: ELECTRICAL SYSTEM. Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders: Warranty, Mopar, Customer pay and Service contract. Order"68" part number for New unsold units only - [S2503000004](/bulletins/11025513.md), 2025-11-13, Service bulletin: ELECTRICAL SYSTEM. Front Axle Disconnect \(FAD\) Electrical Connector Design Change On Replacement Axle Assemblies. - [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 - [102307](/bulletins/11012351.md), 2025-01-06, Service bulletin: POWER TRAIN. GEAR \- REACTION SUN JSON: [/v1/bulletins/10136902](/v1/bulletins/10136902) [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%2018-018-13%20REV.%20A&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10136902&vehicle=Service%20bulletin%2018-018-13%20REV.%20A)