Operation CHARM: Car repair manuals for everyone.

Instruments - Intermittent Message On DIC or Erratic A/C


9225buick01

Builetin: 89-8-27

Date: Oct., '89

Ref. No.: 89-253-8

Corp. Ref. No.: 918112


SUBJECT:
INTERMITTENT MESSAGE ON DIC OR ERRATIC A/C OPERATION, BCM CODE B337 (REPLACE PROGRAMMER)


MODELS AFFECTED:
1986-1989 RIVIERAS AND REATTAS


Some 1986-1989 Rivieras and Reattas may display the "Vehicle Computer Communications Problem Detected" page on the graphic control center or exhibit erratic A/C operation and set a BCM code B337 in history. To repair a vehicle with this condition replace the programmer with the proper one from the chart below:

New Programmer
Models Part Number

1989 Rivieras and Reattas 16137740
1986-1988 Rivieras and Reattas 16137750

Parts are currently available from GMSPO.