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Where can I find the ECM code on a 1984 Corvette?

Where can I find the ECM code on a 1984 Corvette?

In the ‘In Depth’ section of this site, the ECM (Engine Control Module) codes are listed and the technique for recovering those codes on the 1984 through 1993 model Corvette is explained.

What causes the Selective Ride Light to flash on a 1989 Corvette?

On the 1989 Corvette, if you have the Selective Ride Option, any codes associated with the SRC will cause the Service Selective Ride System light to flash when you short ALDL pins “A” to “B”. The sequence uses the same 12, 12, 12 delimiter as the ECM code display uses.

What happens when there is no diagnostic code on a corvette?

If there are no codes, the speedometer will show three dashes (—) and if the CCM cannot communicate with the other computers, the letters “ERR” will show up on the display. The module number associated with the codes will be displayed on the odometer and will show which computer’s codes is being displayed.

Where is the Check Engine light on a corvette?

This connector is located under the dash just to the right of the steering column and has space for 12 pins although not all of the cavities will be populated. Turn the ignition switch to “On” but do not start the engine. Depending on the model year, either the “Check Engine Light” or the “Service Engine Soon” will begin to flash.

Why does my check engine light come on in my Corvette?

An OBD scanner tool will help you obtain problem codes and diagnose potential problems. Many Corvette owners have reported having their check engine light come on after they filled up with cheap gas or if the gas cap is too loose or tight.

On the 1989 Corvette, if you have the Selective Ride Option, any codes associated with the SRC will cause the Service Selective Ride System light to flash when you short ALDL pins “A” to “B”. The sequence uses the same 12, 12, 12 delimiter as the ECM code display uses.

In the ‘In Depth’ section of this site, the ECM (Engine Control Module) codes are listed and the technique for recovering those codes on the 1984 through 1993 model Corvette is explained.

If there are no codes, the speedometer will show three dashes (—) and if the CCM cannot communicate with the other computers, the letters “ERR” will show up on the display. The module number associated with the codes will be displayed on the odometer and will show which computer’s codes is being displayed.

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Ruth Doyle