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The Powertrain Control Module (PCM)
Part# 9354896 $113.75 (There is a $250 core charge)
Lambert Buick / Pontiac - GMC, Inc.


The brain, an ASIC
185
16246295
1H42C
YQQHA9927D

Flash memory, the calibration tables
Intel Flash AB28F400BX 44 Pin 512K Byte

A motorola chip
16217088
XAA9927

chips

Bracket that holds the PCM

The Body Control Module (BCM)
Part# 9381409 $171.60

Most likely the brain, an ASIC)

Probably the EPROM, customized to my options.
28 Pin. Under the sticker is a UV window for erasing the device.
CYSJ, 0938, 1335/014, 67633

Very-Low-Power 16Kbit SRAM.
Temic Semiconductors

Mini Power Relay.
Siemens

Some Power Transistors?

The Oscillator, I think

Miscellaneous chips

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