PCM Hammer 2 Preview

[antus]

try this update https://github.com/PcmHammer/PcmHammer/ ... 9854371010

[sparepartsblazer]

That read.

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[03:57:27:041]  PCM Hammer (12/2/2025, 3:54 AM)
[03:57:27:041]  Tuesday, December 02 2025 @03:57:27:04
[03:57:27:963]  Device Found: OBDX Pro GT
[03:57:28:158]  Voltage is: 12.03V
[03:57:28:168]  Device Successfully Initialized and Ready
[03:57:29:628]  VIN: 1G1JC1245Y7117344
[03:57:29:661]  OSID: 12221087
[03:57:29:668]  Description: P08 Service No 9356249
[03:57:29:694]  Calibration ID: 12221083
[03:57:29:724]  Hardware ID: 16268310
[03:57:29:811]  Serial Number: 3W0RX29174
[03:57:29:841]  MEC: 0
[03:57:29:868]  Voltage: 12
[03:57:53:845]  Will save to C:\Users\Brian\Desktop\aaaaaaaaaaa.bin
[03:58:03:900]  Querying operating system of current PCM.
[03:58:03:934]  OSID: 12221087
[03:58:03:936]  Description: P08 Service No 9356249
[03:58:04:028]  Unlock OK.
[03:58:04:045]  Attempting switch to VPW 4x
[03:58:04:075]  Module 0x10 (engine controller) has agreed to enter high-speed mode.
[03:58:06:312]  Upload permission granted.
[03:58:06:728]  Kernel upload 100% complete.
[03:58:07:876]  Kernel Version: 82400208
[03:58:07:876]  Kernel uploaded to PCM successfully. Requesting data...
[03:58:07:888]  Flash chip: Intel 28F400B, 512KiB
[03:59:59:867]  Read complete.
[03:59:59:867]  All read-request messages succeeded on the first try. You have an excellent connection to the PCM.
[03:59:59:867]  Starting verification...
[03:59:59:877]  Calculating CRCs from file.
[03:59:59:904]  Requesting CRCs from PCM.
[03:59:59:907]  	Range		File CRC		PCM CRC	Verdict	Purpose
[04:00:02:830]  060000-07FFFF	1ECD92DB	1ECD92DB	Same	General
[04:00:05:774]  040000-05FFFF	FBAC35E8	FBAC35E8	Same	General
[04:00:08:709]  020000-03FFFF	0C105B8C	0C105B8C	Same	General
[04:00:10:914]  008000-01FFFF	438B7237	438B7237	Same	General
[04:00:11:119]  006000-007FFF	DF426C2E	DF426C2E	Same	General
[04:00:11:330]  004000-005FFF	85B5BB36	85B5BB36	Same	General
[04:00:11:719]  000000-003FFF	776E2FA3	776E2FA3	Same	General
[04:00:11:727]  The contents of the file match the contents of the PCM.
[04:00:11:837]  Clearing trouble codes.
[04:00:12:928]  Elapsed time 00:02:08.8954819
[04:00:12:936]  Saving contents to C:\Users\Brian\Desktop\aaaaaaaaaaa.bin

[antus]

Great! P08 is working, it should also write fine.

[sparepartsblazer]

Great! P08 is working, it should also write fine.

Will try a write later. Going to work on building an XML for Universal Patcher

[antus]

Excellent!

[sparepartsblazer]

Universal Patcher doesn't seem to detect it right. The DTC tables are all weird.

2000 Cavalier 2.2.bin

[sparepartsblazer]

Tried another one. This is the same ECM just flashed with a different vin with TIS2000

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[09:22:29:886]  PCM Hammer (12/2/2025, 3:54 AM)
[09:22:29:888]  Saturday, December 06 2025 @09:22:29:88
[09:22:30:355]  Thanks for using PCM Hammer.
[09:22:30:995]  Device Found: OBDX Pro GT
[09:22:31:218]  Voltage is: 12.05V
[09:22:31:218]  Device Successfully Initialized and Ready
[09:23:01:062]  Will save to C:\Users\Brian\Desktop\2000 cav 2.2 manual.bin
[09:23:11:153]  Querying operating system of current PCM.
[09:23:11:191]  OSID: 12206037
[09:23:11:203]  Description: P04 Service No 12209624
[09:23:11:292]  The PCM didn't accept the unlock key value
[09:23:14:335]  Unable to process unlock response.
[09:23:14:335]  Unlock was not successful.

[sparepartsblazer]

This one is from a 97 S10 4 cylinder.

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[09:27:14:902]  PCM Hammer (12/2/2025, 3:54 AM)
[09:27:14:906]  Saturday, December 06 2025 @09:27:14:90
[09:27:15:813]  Device Found: OBDX Pro GT
[09:27:15:997]  Voltage is: 11.93V
[09:27:16:002]  Device Successfully Initialized and Ready
[09:27:22:863]  Will save to C:\Users\Brian\Desktop\aaa.bin
[09:27:32:922]  Querying operating system of current PCM.
[09:27:32:953]  OSID: 16253027
[09:27:32:956]  Description: P01 Service No 9354896
[09:27:33:056]  The PCM didn't accept the unlock key value
[09:27:36:085]  Unable to process unlock response.
[09:27:36:085]  Unlock was not successful.

[antus]

OK, I think I have a list of OSIDs in PCM Hammer that a lot of them, possibly all of them are P08. Ill look in to this at some stage in the next few days and at a minimum bring these OSIDs over, perhaps the whole lot if anyone can help me understand what is p04 and what is p08.

[sparepartsblazer]

These should all be P08. Thats just going off what GM Parts says the ecm i have fits.

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2001 s10 2.2
1GCCS195218208900             12225345
1GCCS14501K176491             12225336
1GCCS19571K112411             12225340
1GCCS14541K129321             12225340

2000 Cavalier 2.2 auto
1G1JC1245Y7117344             12221087

2000 Cavalier 2.2 manual
1G1JC5243Y7349254             12206037 

2000 Cavalier 2.4 auto
1G1JF52T2Y7255512              12222128

grand am 2.4
1G2NF52T4YM730222            12222134
1G2NF12T1YM847345            12222135
1G2NE12T3YM726299            12222134