Programmable Read Only Memory (Prom): Removal
- Remove ECM from vehicle as previously described. Position ECM so that bottom cover is facing upward. Remove the slide-off PROM access cover by depressing locking tab.
- Using PROM removal tool, grasp the PROM at the narrow ends. Gently rock the PROM from end-to-end while pulling up on PROM. Remove PROM from PROM carrier.
NOTE:
Note the location of the reference notches in the PROM and the ECM for reassembly reference.