Engine Controls - Revised Chart C-17 Cruise Control Inop

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Bulletin Number: 92-6-34
Reference Number: 216505
Publish Date: 3/92


Subject: SERVICE MANUAL UPDATE - SECTION 6E3 DRIVEABILITY AND EMISSIONS CHART C-17

Models
Affected: 1991-92 BONNEVILLE AND
1992 TRANS SPORT WITH 3800 (VIN 1, L)


1991-92 Bonneville and 1992 Trans Sport vehicles equipped with 3800 (VIN 1 and VIN L) engines and up-integrated cruise control, may exhibit a "Cruise Control Inoperative" condition which cannot be isolated using the Cruise Control System check (Chart C-17) in Section 6E3 of the Service Manual. This condition can be caused by an open TCC brake switch input circuit to the PCM. If the cause of a "Cruise Control Inoperative" condition cannot be determined after completing the Cruise Control System check (Chart C-17), perform procedure in the Code 38 Chart in Section 6E3-A for TCC brake switch circuit diagnosis.