Locks (Power) - Intermittent Operation w/ Keyless Entry

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NUMBER: 92-T-104

CORP.REF.NO: 239008

DATE: July 1992

SECTION: 8A, 10-6


SUBJECT:
INTERMITTENT OPERATION OF POWER
DOOR LOCKS WITH REMOTE KEYLESS ENTRY
(RPO AUO) - REPLACE LOCK SWITCH

MODELS/YEARS:
1992 SILHOUETTE


CONDITION:
The power door locks may be intermittently inoperative, or may exhibit multiple lock cycles at random intervals, on 1992 Silhouette's with Remote Keyless Entry (RPO AUO).

CAUSE:
The door lock switch circuit boards may have voltage present at the input to the Remote Keyless Entry Module at the wrong time. This condition was corrected shortly after start of production.

CORRECTION:
Since this condition is intermittent, normal diagnosis may result in incorrect parts being replaced. Remove both door lock switches, and check the date codes. The date code has four digits. For example, "1319", where the "1" is the last digit of the year (1991) and the "319" is the Julian date. If either of the date codes is 1319 or lower (older), both the left (P/N 10095365) and right (P/N 10095366) power door lock switches should be replaced, following Service Manual procedures. Both parts are currently available from GMSPO. If both the date codes are higher (newer) than 1319, other causes of this condition should be investigated, following the diagnostic procedures in the Service Manual.

Notice:
It is not necessary to remove the door trim panel to replace the door lock switch.