When was sequenced Code Recovery added to Corvette?

Sequenced Code Recovery – 1990 through 1993: With the interior redesign in 1990, Chevrolet added additional computer capability. The CCM (Central Control Module) was added and a method was provided to display codes on the speedometer of the Corvette.

How to recover a C4 Corvette diagnostic code?

C4 Corvette Diagnostic Code Recovery Techniques 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 are the Selective Ride codes on a 1989 Corvette?

Selective Ride Codes: 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 is the C4 code on a 1990 Corvette?

Code #52 (1990-91 Corvette Only): Engine Oil Temperature Sensor Low. Code #53: System Over Voltage. Code #54: Fuel Pump Circuit Low Voltage. Code #55: Defective ECM. Code #62: Engine Oil Temperature Sensor Circuit High.

What is the C68 option code on a corvette?

1990 to 1996 Corvette models that are equipped with the C68 option code (Automatic, Electronic Air Condition) allow HVAC diagnostic codes to be read from the digital screen on the climate control panel. This feature is useful when attempting to diagnose issues with the A/C system.

When was sequenced Code Recovery added to Corvette?