EXPERTEC TSB (T-93-77)

WARNING: This page is about the Seville STS, which is a different variant/trim than selected.

Publication date: 1993-04-05
Reference number: T-93-77

EXPERTEC TSB

TECHNICAL SERVICE BULLETIN

Reference Number(s): T-93-77, Date of Issue: 04/05/93

ERRACTIC ELECTRICAL SYSTEM - OPERATIONS WITH KEY OFF

Model(s): 1992-1993 ELDORADOS AND SEVILLES

Date: 04/05/1993

Bulletin No.: Cadillac T-93-77

Subject: ERRATIC ELECTRICAL SYSTEM OPERATIONS WIT'H KEY OFF; INTERMITTENT IPC CODES 33, 34, 37, AND/OR 39; INTERMITTENT DEAD BATTERY; IPC/REAR BLOWER MOTOR "ON" WITH KEY "OFF"; RAP REMAIN "ON" AFTER DOOR OPEN; OR INTERMITIENT NO START IN FREEZING WEATHER

Some 1992-1993 Eldorados and Sevilles may experience some of the following conditions:

Erratic Electrical System Operations With Key "Off
Intermittent IPC Codes 33, 34, 37, and/or 39
Intermittent Dead Battery
IPC/Rear Blower Motor "On" With Key "Off"
RAP Remains "On" After Door Open
Intermittent No Start In Freezing Weather (frozen starter enable relay)

The above conditions may be caused by water intrusion/accumulation from the underside of the left-hand dash panel in the left-hand sill channel area where many of the above electronic system wirings/connectors/components/grounds are located (body main harness, RAP relay and circuit breaker, starter enable relay, etc.). To repair the above condition(s), seal leak per Service bulletin T-93-72 (Corporate bulletin number 311604), Group 10 Replace RAP relay and starter enable relay with P/N 14100455 for either relay; and if nccessary, repair affected system wirings/connectors/ ground (G302).

NOTE: Parts are currently available from GMSPO.

WARRANTY INFORMATION

Operation Description	Operation Number	VEHICLE SERIES C D E K V
Retained Accessory Power (RAP) Relay 1992 1993	N2985	.2 .3 .2 .2
Theft Deterrent Interrupt Relay 1992 1993	N2910	.4 .4 .2 .2