Diagnostic Tests: Notes

WARNING: This page is about a different car, the 2002 Saturn LW300 and 2002 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Before clearing DTCs, record FREEZE FRAME and FAILURE RECORDS for reference during testing. Data will be erased when DTCs are cleared.

NOTE: If ECM is replaced, NEW ECM must be programmed using special equipment. See ENGINE CONTROL MODULE under PROGRAMMING.