![CarComplaints.com Seal Of Avoid Like The Plague](http://cdn2.carcomplaints.com/img/seals/worst.png)
Chevrolet TSB #020730039
2003 Chevrolet Impala
Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION
- Summary
- INFORMATION TO DEALERS REGARDING SERVICE BULLETIN 020730039 - FIRM TRANSMISSION SHIFTS, SHUDDER / CHUGGLE, TRANSMISSION WON'T DOWNSHIFT ON DECELERATION, SERVICE ENGINE SOON LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) P0742 SET. *TT