Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Date Published
JUN 01, 2009
NHTSA TSB #
10032886
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# PIP-4651.

Summary
SATURN/PONTIAC/CHEVROLET: SOFT SHIFTS, ERRATIC SHIFTS, DTC P1811. VEHICLES WITH A HYDRAMATIC 4T45 TRANSAXLE MAY HAVE SOFT SHIFTS OR SHIFTS ERRATICALLY. THESE CONDITIONS MAY APPEAR INTERMITTENTLY OR SET A DTC P1811. DURING DIAGNOSIS, A LOW OR HIGH LINE PRESSURE (ACTUAL VERSUS DESIRED) MAY BE OBSERVED. *PE