Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Date Published
NOV 14, 2003
NHTSA TSB #
10005244
TSB Document
  • Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Toyota for this TSB. Call your local Toyota dealer's service department & ask for a copy of TSB# 01703.

Summary
MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODE (DTC) P0420 DUE TO AN ELECTRONIC CONTROL MODULE (ECM) SOFTWARE LOGIC ERROR. *TT