RAM 3500 Truck 4WD V8-5.9L VIN Z LDC (2000)
Central Timer Module: Customer Interest
Central Timer Module - Lock Up
NUMBER: 08-26-00
GROUP: Electrical
EFFECTIVE DATE: Sept. 29, 2000
SUBJECT:
Central Timer Module Electrically "Locks-Up"
OVERVIEW:
This bulletin involve replacing the Central Timer Module (CTM) with a revised part.
MODELS:
2000 - 2001
(AB)
Ram Van/Wagon
2000
(AN)
Dakota
2000 - 2001
(BR/BE) Ram Truck
2000
(DN)
Durango
NOTE:
THIS BULLETIN APPLIES TO THE ABOVE LISTED VEHICLES EQUIPPED WITH REMOTE KEYLESS ENTRY (SALES CODE GXR). IN
ADDITION, THIS BULLETIN APPLIES TO VEHICLES BUILT ON OR BEFORE THE FOLLOWING BUILD DATES:
^
RAM VAN/WAGONS BUILT ON OR BEFORE SEPTEMBER 14, 2000 (MDH 0914XX).
^
RAM TRUCKS BUILT AT THE WARREN TRUCK ASSEMBLY PLANT (11TH POSITION OF VIN = "S") ON OR BEFORE
SEPTEMBER 8, 2000 (MDH 0908XX).
^
RAM TRUCKS BUILT AT THE ST. LOUIS NORTH ASSEMBLY PLANT (11TH POSITION OF VIN = "J") ON OR BEFORE AUGUST
21, 2000 (MDH 0821XX).
^
RAM TRUCKS BUILT AT THE SALTILLO TRUCK ASSEMBLY PLANT (11TH POSITION OF VIN = "G") ON OR BEFORE AUGUST
31, 2000 (MDH 0831XX).
^
RAM TRUCKS BUILT AT THE LAGO ALBERTO TRUCK ASSEMBLY PLANT (11TH POSITION OF VIN = "M") ON OR BEFORE
SEPTEMBER 6, 2000 (MDH 0906XX).
^
ALL 2000 MODEL DAKOTA AND DURANGO VEHICLES.
SYMPTOM/CONDITION:
Strong electromagnetic fields or devices that transmit signals in the 315 Mhz range may cause the Central Timer Module (CTM) to intermittently lock
up. CTM lock-up may cause a variety of customer complaints including:
^
Remote Keyless Entry Malfunction
^
Interior Lights Will Not Come On
^
Intermittent Wipers Will Not Function
^
Chime Malfunction
^
Power Door Lock Malfunction
^
Remote Radio Switch Malfunction (if equipped)
^
Heated Seat Malfunction (if equipped)
^
Engine Will Not Start (if equipped with Vehicle Theft Alarm)
^
No Communication With The DRBIII (No Response from CTM)
Essentially, all CTM controlled devices will not function if the CTM locks-up.
Customers that do experience this condition may:
-
have their vehicle equipped with after-market accessories that emit strong electromagnetic signals such as high output Citizen Band (CB) radios or
Two-Way radios.
-
be equipped with transmitting devices that operate in the 315 Mhz range such as older analog garage door openers.
-
live or drive near devices that emit strong electromagnetic signals such as two-way radio communication towers utilized by the military, law
enforcement, etc.
DIAGNOSIS:
If the vehicle exhibits one or more of the conditions identified under Symptom/Condition, pull fuse 13 (power door lock fuse) for one (1) minute.
Re-insert fuse 13. If the condition is no longer present, perform the Repair Procedure. If the condition still exists, further diagnosis is necessary, Refer to
the appropriate Body Diagnostic Procedures Manual or the service information available in MDS2 for additional information. If the customer indicates
that they may have experienced one or more of the above conditions but were able to correct the condition by removing power to the CTM (pull fuse 13 -
