# Service bulletin 1803505

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: 10018588
- Published by NHTSA: 2006\-01\-06
- Manufacturer's number: 1803505
- Manufacturer's date: 2005\-11\-18
- Replaces: 1803505A
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE

## NHTSA's summary

FLASH:MIL ILLUMINATION AT START\-UP DUE TO DTC P2112 OR P1521. \*AK

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine

## Trouble codes named

P1521, P2112

## Vehicles listed

- 2005 to 2006 CHRYSLER 300
- 2006 DODGE DURANGO
- 2006 DODGE RAM 1500
- 2006 JEEP COMMANDER 4X2
- 2005 to 2006 JEEP GRAND CHEROKEE

## Recalls for the same vehicles and component

- [2008185](/recalls/tc/2008185.md), 2008-05-23: Engine

## Other bulletins for the same vehicles and component

- [9003215](/bulletins/10229181.md), 2023-01-09, Service bulletin: ENGINE AND ENGINE COOLING. Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non\-EGR applications. An EGR Block\-Off Plate \(53032739AA\) must be ordered when installing this Long Block Assembly in a Non\-EGR application. Unless, the EGR Block\-Off Plate is being transferred from the old engine.
- [68332810](/bulletins/10223854.md), 2022-10-17, Service bulletin: ENGINE AND ENGINE COOLING. Service \- Four Piece Oil Pan Gasket All Cummins Equipped Vehicles ONLY \- The replacement oil pan gasket can be a four piece gasket rather than a single piece gasket. This applies to Cummins 5.9L and 6.7L engines only. Installation: 1. Clean the oil pan T\-joints.\~ 2. Fill the T\-joint between the pan rail/gear housing and pan rail/rear seal retainer with sealant. Use Mopar® Silicone Rubber Adhesive Sealant or equivalent. 3. Apply a 2\-mm \[0.063\-in\] bead of Mopar Engine Sealant RTV Silicone Rubber Adhesive, to the oil pan flange.\~ 4. The four piece gasket will need to be assembled to make a complete oil pan gasket. 5. Lay the oil pan gasket\(s\) onto the oil pan flange.\~ 6. Ensure the oil pan gasket segment joints are properly aligned. 7. Apply a 2\-mm \[0.063\-in\] bead of Mopar Engine Sealant RTV Silicone Rubber Adhesive, to the top of the oil pan gasket.\~ 8. Install the oil pan. Starting from the center and working outward, tighten the oil pan bolts to 28 N·m \[21 ft. lbs.\].
- [9003215](/bulletins/10223602.md), 2022-10-17, Service bulletin: ENGINE AND ENGINE COOLING. Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non\-EGR applications. An EGR Block\-Off Plate \(53032739AA\) must be ordered when installing this Long Block Assembly in a Non\-EGR application. Unless, the EGR Block\-Off Plate is being transferred from the old engine.
- [9002887](/bulletins/10223599.md), 2022-10-17, Service bulletin: ENGINE AND ENGINE COOLING. Part Description: Valve Body Assembly Issue Description: Valve body design was changed between 2010MY and 2011MY applications. To prevent mix matching valve bodies and solenoid packs the connectors are color coded.\~ Valve bodies with a white connector can be used on 2010, 2009, 2008..., model years. Valve bodies with a gray connector can only be used on 2011, 2012, 2013..., model years.\~ Solenoid packs with a white connector are used with 2010, 2009, 2008..., model years. Solenoid packs with a gray connector are used with 2011, 2012, 2013..., model years.
- [9004350](/bulletins/10220837.md), 2022-09-26, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN. GEAR MOTOR, Transfer Case The gear motor assembly is shipped in AWD/2WD position. The transfer case needs to be positioned in AWD/2WD position to properly assemble gear motor to T\-Case. Please reference Star Online publication S2121000003 for further details. Do not have the transfer case in in another position other than AWD/2WD and rotate the motor to align the bolt holes as this could result in damage to the gear motor.
- [R2118796A](/bulletins/10191460.md), 2021-05-03, Service bulletin: ENGINE AND ENGINE COOLING. Valve Body. These may cause over drive cycling.
- [68332810A](/bulletins/10191455.md), 2021-05-03, Service bulletin: ENGINE AND ENGINE COOLING. Cummins Equipped Vehicles ONLY \- The replacement oil pan gasket can be a four piece gasket rather than a single piece gasket. This applies to Cummins 5.9L and 6.7L engines only.
- [9004350](/bulletins/10190584.md), 2021-04-26, Service bulletin: ENGINE AND ENGINE COOLING. GEAR MOTOR, Transfer Case The gear motor assembly is shipped in AWD/2WD position. The transfer case needs to be positioned in AWD/2WD position to properly assemble gear motor to T\-Case. Please reference Star Online publication S2121000003 for further details. Do not have the transfer case in in another position other than AWD/2WD and rotate the motor to align the bolt holes as this could result in damage to the gear motor.
- [21\-022\-14](/bulletins/10141220.md), 2018-06-18, Service bulletin: ENGINE; EQUIPMENT. 4WD Lamp Illuminated and Diagnostic Trouble Code C140F Active in Final Drive Control Modules \(FDCM\) Memory This bulletin involves verifying FDCM software level and then flash reprogramming of the FDCM with new software. Customers may indicate that the ?Service 4WD? indicator in the instrument cluster is illuminated. They may also indicate that the transfer case will not shift from 4WD High, 4WD Low, and/or Neutral once the lamp is illuminated. Further investigation identifies that a Diagnostic Trouble Code C140F is stored or active in the Final Drive Control Modules \(FDCM\) Memory
- [9002688](/bulletins/10139009.md), 2018-06-04, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING. 68069384A$, R8069384A$, 68086182A$, R8027067A$, RL002012A$ \- Gasket, Cylinder Head Cover Before replacing injectors for Diagnostic Trouble Codes P0201, P0202, P0203, P0204, P0205, and/or P0206, please make sure that the wiring loom and/or connector in the valve cover gasket is not the root cause to your concern. In addition, make sure that the wiring attaching nuts are torqued to their proper value.\~

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