K 1500 Suburban 4WD V8-5.3L VIN Z Flex Fuel (2003)
7. Release the spring latch from the PCM.
8. Release the PCM mounting tabs from the PCM.
9. Remove the PCM.
Installation Procedure
1. Install the PCM.
Ensure that the mounting tabs are engaged.
2. Secure the spring latch to the PCM.
