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TSB Document:
  • Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 020604005.

Affected Component: ELECTRICAL SYSTEM:IGNITION:MODULE

Summary
SUBJECT REGARDING REVISED DIAGNOSTIC TROUBLE CODE P1221 SERVIC EMANUAL UDPATE. *TT

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Date Published
FEB 01, 2002
NHTSA TSB #
629487
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