GM Code Reader (1982 – 1995) #3123
$29.99

Safely and easily access the on-board computer to read ECM and ABS codes on most General Motors vehicles (domestic cars & trucks) from 1982 to 1995.


WARNING
WARNING

This product can expose you to chemicals including DiNP, which is known to the State of California to cause cancer.
For more information go to www.P65Warnings.ca.gov

KEY FEATURES

Read ECM and ABS Codes:

Safely access the on-board computer to read ECM and ABS codes.

Need more help?
SUPPORT
FAQs
Does the reader support Diesel vehicles?
No. The vehicle being tested must have a gas engine.

The "Check Engine" light on your instrument cluster will flash in a pattern sequence that signifies what the two-digit DTC number is. Please refer to Page 2-3 of the 3123 User Manual for more details. 

If the light does not blink refer to your vehicle's service manual for information regarding circuitry testing.
Please refer to section 2-6 of the manual for ECM Service Code removal, and sections 3-7 through 3-9 for ABS service code removal. Information on particular vehicles can also be found in the vehicle's service manual.
No. The code reader will not harm a vehicle's computer system.
No. The vehicle being tested must be one ton capacity or less.