On-Board Diagnostics With NGS

The Quick Tests can be used to diagnose the Powertrain Control Module (PCM), sensors and actuators of the 4R70W transmission.

The following is a guide for using the On-Board Diagnostic (OBD) Quick Tests and the Rotunda New Generation Star (NGS) Tester 418-FO48, with some special considerations to remember:

For detailed instructions and other diagnostic methods using the NGS, refer to Powertrain Management or NGS instruction guide.

If using a generic scan tool, refer to Powertrain Management for instructions on performing OBD procedures.