RAM 2500 Truck 4WD L6-5.9L DSL Turbo VIN 6 (1999)
Valve Body: Customer Interest
A/T - 47RE Delayed Upshift/No TCC Engagement
NUMBER: 21-02-00
GROUP: Transmission
DATE: March 10, 2000
SUBJECT:
47RE Transmission - Delayed Upshift Or No TCC Engagement Between 30 and 50 MPH
MODELS:
1999 - 2000 (BR/BE) Ram Truck
OVERVIEW:
This bulletin involves the replacement of the transmission valve body upper housing separator plate.
NOTE:
THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH A FEDERAL MARKET (NAA) 5.9L - 24V DIESEL ENGINE AND BUILT
BETWEEN MARCH 2, 1999 (MDH 0302XX) AND OCTOBER 1, 1999 (MDH 1001 XX).
SYMPTOM/CONDITION:
The customer may experience a condition where the transmission may seem to have a delayed 3-4 upshift, while moderately accelerating from 30 to 50
MPH (48 to 80 KM/H). The customer may also note high engine rpm's while operating in 3rd or 4th gear. This condition may be caused by a delay in the
engagement of the transmission torque converter clutch (torque converter lockup).
DIAGNOSIS:
1.
If a delayed upshift condition is experienced, then use the DRB III Scan Tool build a Custom Display
2.
Make certain that the ignition switch is in the "ON" position and the engine is not running.
The following selections may be made by either pressing the corresponding number or by moving the cursor to the appropriate item and then pressing
ENTER key.
3.
From the MAIN MENU, select DRB III Standalone (# 1).
4.
From the STAND-ALONE MAIN MENU, select 1998-2001 Diagnostics (# 1).
5.
From the SELECT SYSTEM, select Engine (# 1).
6.
From the ENGINE SELECTION, select JTEC (PCM / Non-Engine) (# 2).
7.
Use the ENTER key to page past the MODULE DISPLAY and the LEARNED STATUS.
8.
From the SELECT FUNCTION, select Custom Display (# 7).
9.
From the CUSTOM DISPLAY Menu, select Custom Display # 1 (# 1).
10.
From the CUSTOM DISPLAY, select Change (# 2).
The technician is now able to assemble a custom display from the available Sensors or the Inputs/Outputs menus. This is accomplished by placing the
cursor on the appropriate row and pressing the ENTER key. The technician is then offered a choice of the following menus: Sensors (# 1),
Inputs/Outputs (# 2), or Not Selected (# 3).
Assemble the Custom Display in the following order:
1.
PCM Engine RPM (found in the Sensors Menu)
2.
Output Shaft Speed (found in the Sensors Menu)
3.
Desired TC Clutch (found in the Inputs/Outputs Menu)
4.
APP Pedal Position Volts (found in the Sensors Menu)
5.
O/D Off Lamp (found in the Inputs/Outputs Menu)
6.
Brake Switch (found in the Inputs/Outputs Menu)
7.
Park/Neutral (found in the Inputs/Outputs Menu)
11.
Once the Custom Display has been completely assembled, use the "Page Back" key to back out of the assembly section of the Custom Display
