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Service bulletin 18-025-08

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10025362
Published by NHTSA2008-08-04
Manufacturer's number18-025-08
Manufacturer's date2008-06-13
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

FLASH: MIL ILLUMINATION WITH DTC P1607 - PCM INTERNAL SHUTDOWN TIMER RATIONALITY. THIS BULLETIN INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH NEW SOFTWARE. *PE

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

Transmission and driveline, Automatic transmission, Transmission control module

Trouble codes named

P1607

Vehicles listed
CHRYSLER TOWN AND COUNTRY2008
CHRYSLER VOYAGER2008
DODGE CARAVAN2008

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
S1121000006RevA2022-09-26. Service bulletin. (Revision A) No Start No Crank ? Starter Will Not Engage And There Are No Related Codes Or Concerns
S1121000006 Rev.2020-09-28. Service bulletin. (Revision A) No Start No Crank ? Starter Will Not Engage And There Are No Related Codes Or Concerns
R4880213A$2016-09-15. Service bulletin. "SHAFT - AXLE HALF NOTE: THE JOINT BETWEEN THE SPLINES ON THE HALFSHAFT AND THE HUB AND BEARING IS AN INTERFERENCE FIT. THE HALFSHAFT NUT IS TO BE USED TO DRAW THE HUB AND BEARING ONTO THE HALFSHAFT SPLINES. THIS IS PARTICULARLY TRUE IF HUB AND BEARING IS ALSO BEING REPLACED"
21-017-082008-07-15. Service bulletin. FLASH: 6 SPEED AUTOMATIC TRANSMISSION SHIFT IMPROVEMENTS. *NJ
21-016-082008-07-15. Service bulletin. FLASH: 4 SPEED AUTOMATIC TRANSMISSION SHIFT IMPROVEMENTS. *NJ
18042072007-10-30. Service bulletin. FLASH: MIL ILLUMINATION / DTC'S P2302, P2305, P2308, P2311, P2314 OR P2317. *NJ