chipmonk

found out that while my truck was at the dealer, it was given a re-flash for TSB 1802207. all i could find out about it was this:


Component Description:
6. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO-CHARGER Bulletin Number: 1802207
Bulletin Date: MAR 2007

Vehicle: 2004 Dodge Ram Pickup 3500
Summary:
5.9L TURBO - DIESEL ENGINE SYSTEM ENHANCEMENTS. ( NHTSA ITEM NUMBER - 10021423 )



anyone have any clue what changed with this re-flash? nothing seems any different.
TIA

Bud Kunz

THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 18-022-06 DATED
JULY 13, 2006, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS
ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE THE ADDITION OF DTC
P0191 - FUEL RAIL PRESSURE SENSOR CIRCUIT PERFORMANCE.
THE DRBIIIŽ FLASH FILES FOR THIS BULLETIN ARE AVAILABLE ON
DealerCONNECT.
SUBJECT:
Flash: 5.9L Turbo-Diesel Engine System Enhancements
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Engine Control Module
(ECM) with new software.
MODELS:
2003 - 2005 (DR / DH) Ram Truck
NOTE: This bulletin applies to vehicles equipped with a 5.9L turbo diesel engine
(sales codes ETC and ETH respectively).
SYMPTOM/CONDITION:
The following enhancements are included with this software:
1. Improved engine cooling (radiator fan activation) and prevention of possible engine
overheat. When coolant temperature faults are present the radiator fan is enabled
(turned on) during vehicle operation.
2. Correction to oil pressure reading when engine is operating at higher engine
temperatures above 91°C (195°F).
3. Improvement to the Temperature Sensor Rationality Test to prevent possible false test
failures and the following related Diagnostic Trouble Codes (DTC's):
a. DTC P0071 - Inlet Air Temperature Sensor Rationality.
b. DTC P0111 - Intake Air Temperature (IAT) Sensor Rationality.
c. DTC P0514 - Battery Temperature Sensor Rationality.
4. Additional Water-In-Fuel (WIF) warning added to indicate that the operator has had a
WIF DTC P2269 and has continued to operate (drive) the vehicle in excess of 500
miles without draining the water from the fuel filter. The following is the new WIF DTC
that has been added:
a. DTC P0169 - WIF Too Long Error

5. ** Improvement to the Fuel Pressure Rationality Test to prevent possible false test
failures and the following related Diagnostic Trouble Code:
a. DTC P0191 - Fuel Rail Pressure Sensor Circuit Performance (2004.5 to 2005 M.Y.
vehicles). **

chipmonk

Thanks Bud! Really appreciate it!