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TSB 08-32-99

Radio Interference To/From Two-Way Radio Receivers

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Date: Oct. 1, 1999

Models: 1998 - 1999 (BR/BE) Ram Truck

Discussion:

This bulletin involves installing a revised Airbag Control Module (ACM).  

Radio receivers from approximately 30 MHZ to 50 MHZ may be susceptible to Radio Frequency Interference (RFI) from the Airbag Control Module (ACM).

The following services are within this band range of 30 MHZ to 50 MHZ

Symptoms:

Customers may complain of intermittent poor reception on their two-way radios.

NOTE. THIS CONDITION DOES NOT AFFECT THE OPERATION OF ANY AM OR FM BAND RADIO.  

Diagnosis:

NOTE.- TECHNICAL SERVICE BULLETIN 08-06-99, DATED MARCH 5,1999, ADDRESSES TWO-WAY RADIO INTERFERENCE FROM THE FUEL PUMP MODULE AND SHOULD BE PERFORMED PRIOR TO PERFORMING THIS TECHNICAL SERVICE BULLETIN.

Turn the ignition key to the RUN position. Operate the two-way radio and monitor for RFI/static/poor reception. If RFI is present with the ignition key in the RUN position, perform the following Repair Procedure.

NOTE: THE INTERFERENCE MAY BE INTERMITTENT. If THE CONDITION IS NOT PRESENT DURING THE DIAGNOSIS, REPEAT THE DIAGNOSIS SEVERAL TIMES TO ATTEMPT TO RE-CREATE THE CONDITION.

NOTE: IT IS IMPORTANT TO IDENTIFY WHICH COMPONENTS ARE EMITTING RFI. AFTER A REPAIR HAS BEEN MADE, PERFORM THE DIAGNOSIS AGAIN TO IDENTIFY IF ANY OTHER COMPONENT IS PRODUCING RFI. SOME VEHICLES MAY REQUIRE ADDITIONAL DIAGNOSIS.  

Parts:

1    56043128AE    Module, Airbag Control  

Repair:
THIS REPAIR IS COMPATIBLE WITH DAIMLERCHRYSLER'S MOBILE SERVICE PROGRAM AND I DOES NOT REQUIRE HOISTS OR OTHER FULL SERVICE FACILITY SPECIAL EQUIPMENT.

1    Replace the ACM with p/n 56043128AE. Refer to the appropriate Ram Truck Service Manual, Group SM, for information regarding Airbag Control Module Removal And Installation procedures.  

Notes:

POLICY. Reimbursable within the provisions of the warranty.

TIME ALLOWANCE:
Labor Operation No: 08-45-09-92 ............................................................... 0.3 Hrs.

FAILURE CODE: P8 - New Part


Thanks to Bob Bergevin for supplying this TSB information

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This page was edited on: May 3, 2004