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Item #: 12489400
Reg. Price: $115.16
Our Price: $109.40


12489400 Diagnostic Trouble Code Tool

The GM Performance Parts Ramjet Engine control Module (ECM) continually checks the integrity of its sensors and controls. When a problem is detected a Diagnostic Trouble Code (DTC) is set and retained in the ECM's computer memory. These stored trouble codes are intended to assist a service technician in diagnosing engine and control system problems.

This diagnostic provides the service tecnician with 3 separate diagnostic functions. It can be used as a Malfunction Indicator Lamp (MIL), a trouble code display & erase tool, and a base timing tool.

Click on More Information to see trouble codes and Instructions.

Click here to download instruction pdf

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