# Service bulletin 1802803

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: 10003419
- Published by NHTSA: 2003\-10\-20
- Manufacturer's number: 1802803
- Manufacturer's date: 2003\-07\-25
- Replaces: 1801002
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

## NHTSA's summary

VEHICLE WITH PROPERLY FUNCTIONING EVAPORATIVE EMISSIONS SYSTEM REPEATEDLY SETS DIAGNOSTIC TROUBLE CODE P0456 WHEN CUSTOMER REGULARLY COMMUTES ON A STEEP GRADE. \*TT

## 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, Exhaust and emissions

## Trouble codes named

P0456

## Vehicles listed

- 2001 to 2003 CHRYSLER TOWN AND COUNTRY
- 2001 to 2003 CHRYSLER VOYAGER
- 2001 DODGE CARAVAN
- 2002 DODGE CARAVAN
- 2003 DODGE CARAVAN

## 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.
- [R2118796A](/bulletins/10191460.md), 2021-05-03, Service bulletin: ENGINE AND ENGINE COOLING. Valve Body. These may cause over drive cycling.
- [1802505](/bulletins/10016750.md), 2005-10-04, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. LONG CRANK OR IDLE FLUCATION IN COLD TEMPERATURE WITH E20 \- E30 ETHANOL FUEL BLENDS. \*TT
- [0900704](/bulletins/10006455.md), 2004-05-03, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. IRREGULAR ENGINE SNAPPING SOUND. \*TT
- [2500102A](/bulletins/10006129.md), 2004-04-21, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. MALFUNCTION INDICATOR LAMP \(MIL\) ILLUMINATION, DIAGNOSTIC TROUBLE CODE \(DTC\) P0442, P0455, OR P0456 \- LEAK DETECTION PUMP \(LDP\), LEAK DETECTED. THIS BULLETIN SUPERSEDES 25\-001\-02 DATED FEB 11, 2002. \*TT
- [1800504](/bulletins/10005982.md), 2004-04-05, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. NO\-START, START \& STALL MALFUNCTION INDICATOR LAMP ILLUMINATION, DIAGNOSTIC TROUBLE CODES \(DTCS\) P0508/P0509. \*TT
- [0900104](/bulletins/10005585.md), 2004-03-04, Service bulletin: ENGINE AND ENGINE COOLING. OIL CONSUMPTION DUE TO RESTRICTED AIR FILTER. THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH A 2.5L TURBO DIESEL ENGINE BUILT ON OR AFTER MARCH 1, 2002. \*MN
- [1802603A](/bulletins/10003985.md), 2003-11-11, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE. ENGINE NO START \(ENGINE WILL START IMMEDIATELY AFTER CYCLING THE IGNITION KEY\), MALFUNCTION INDICATOR LAMP ILLUMINATION WITH FALSE DIAGNOSTIC TROUBLE CODES \(DTC\) P0016, P0116, P0335, P0339, P0340, P0462, P0498, P0499, P0522, P0622, P1604, P1681, P1686, P1698. \*TT

JSON: [/v1/bulletins/10003419](/v1/bulletins/10003419)

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