J2534 on PCH, log below. Finally getting somewhere I think:
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[09:55:02:408] PCM Hammer 021
[09:55:02:408] Monday, April 08 2024 @09:55:02:40
[09:55:02:408] Initializing J2534 Device
[09:55:02:408] Loaded DLL
[09:55:05:587] Connected to the device.
[09:55:05:591] Battery Voltage is: 12.685
[09:55:12:952] VIN: 1G1FP31S61N240478
[09:55:12:983] OS ID: 1253002
[09:55:12:983] Hardware Type: P01_P59
[09:55:13:014] Calibration ID: 12206911
[09:55:13:049] Hardware ID: 9386530
[09:55:13:120] Serial Number: 2EB2K9S62010
[09:55:13:158] Broad Cast Code: DJZX
[09:55:13:182] MEC: 0
[09:55:29:689] Will save to C:\Users\Jim\OneDrive\Desktop\MG\300 Iron Head\2024\PCM Hammer\C test.bin
[09:55:32:959] Querying operating system of current PCM.
[09:55:32:991] OSID: 1253002
[09:55:33:062] Unlock succeeded.
[09:55:33:081] Attempting switch to VPW 4x
[09:55:33:100] Module 0x10 (engine controller) has agreed to enter high-speed mode.
[09:55:37:674] Kernel upload 22% complete.
[09:55:38:114] Kernel upload 48% complete.
[09:55:38:579] Kernel upload 74% complete.
[09:55:39:012] Kernel upload 100% complete.
[09:55:39:267] Kernel Version: 01030501
[09:55:39:271] kernel uploaded to PCM succesfully. Requesting data...
[09:55:39:291] Flash chip: Intel 28F400B, 512kb
[09:55:39:295] Read complete.
[09:55:39:302] All read-request messages succeeded on the first try. You have an excellent connection to the PCM.
[09:55:39:302] We're not sure how much retrying is normal for a read operation on a 0kb PCM.
[09:55:39:316] Please help by sharing your results in the PCM Hammer thread at pcmhacking.net.
[09:55:39:322] Starting verification...
[09:55:39:334] Calculating CRCs from file.
[09:55:39:334] Initializing CRC algorithm on PCM, this will take a minute...
[09:55:39:382] Requesting CRCs from PCM.
[09:55:39:402] Range File CRC PCM CRC Verdict Purpose
[09:55:39:402] 060000-07FFFF not needed not needed n/a OperatingSystem
[09:55:39:413] 040000-05FFFF not needed not needed n/a OperatingSystem
[09:55:39:413] 020000-03FFFF not needed not needed n/a OperatingSystem
[09:55:39:433] 008000-01FFFF not needed not needed n/a Calibration
[09:55:39:433] 006000-007FFF not needed not needed n/a Parameter
[09:55:39:459] 004000-005FFF not needed not needed n/a Parameter
[09:55:39:470] 000000-003FFF not needed not needed n/a Boot
[09:55:39:480] The contents of the file match the contents of the PCM.
[09:55:39:502] Clearing trouble codes.
[09:55:40:603] Clearing trouble codes.
[09:55:41:687] Elapsed time 00:00:08.6197110
[09:55:41:698] Saving contents to C:\Users\Jim\OneDrive\Desktop\MG\300 Iron Head\2024\PCM Hammer\C test.bin
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This is the my first good read with the OBDX Pro GT.
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Results for serial connections to follow:
--------------------------------------------
Com3 usb:
[10:03:24:294] PCM Hammer 021
[10:03:24:310] Monday, April 08 2024 @10:03:24:31
[10:03:24:636] Thanks for using PCM Hammer.
[10:03:24:994] Device Found: OBDX Pro GT
[10:03:25:079] Device Successfully Initialized and Ready

Re-Initialized:
[10:05:38:875] PCM Hammer 021
[10:05:38:876] Monday, April 08 2024 @10:05:38:87
[10:05:39:539] Device Found: ATZ
[10:05:39:544] Failed to switch to DVI protocol
[10:05:39:546] Unable to reset DVI device.
[10:05:39:546] Unable to initialize OBDX Pro on COM3

Test results in Unhandled Exception, access to com3 denied.
[09:40:44:866] PCM Hammer 021
[09:40:44:882] Monday, April 08 2024 @09:40:44:88
[09:40:45:215] Thanks for using PCM Hammer.
[09:40:45:587] Device Found: OBDX Pro GT
[09:40:45:650] Device Successfully Initialized and Ready
[09:41:37:916] VIN query failed: Timeout

[09:52:29:082] PCM Hammer 021
[09:52:29:082] Monday, April 08 2024 @09:52:29:08
[09:52:29:757] Device Found: ATZ
[09:52:29:757] Failed to switch to DVI protocol
[09:52:29:757] Unable to reset DVI device.
[09:52:29:773] Unable to initialize OBDX Pro on COM3

BT:
[09:42:58:443] PCM Hammer 021
[09:42:58:457] Monday, April 08 2024 @09:42:58:45
[09:42:58:457] Unable to initialize OBDX Pro on COM4

BT:
[09:44:27:768] PCM Hammer 021
[09:44:27:768] Monday, April 08 2024 @09:44:27:76
[09:44:44:059] Unable to initialize OBDX Pro on COM5

Logger:

Connecting (VPW)...
J2534 client initializing...
Initializing J2534 Device
J2534 client: Device initialization complete.
Connected to the device, ID: 1
Battery Voltage is: 12.947
Timeout requesting OS
Versions: Firmware: 01.00, DLL: 1.4.8834.14573, Api: 04.04
Connected protocol: J1850VPW Speed: ISO14230
Removing all filters
Device initialization complete.
Filtering parameters by OS:
Start logging...
No profile configured
Disconnecting...J2534 Server Quits
Clearing functional address table (primary protocol)
Disconnecting primary protocol
[Done]
Connecting (VPW)...
J2534 client initializing...
Initializing J2534 Device
J2534 client: Device initialization complete.
Connected to the device, ID: 1
Battery Voltage is: 12.721
Versions: Firmware: 01.00, DLL: 1.4.8834.14573, Api: 04.04
Connected protocol: J1850VPW Speed: ISO14230
Removing all filters
Device initialization complete.
Device in use
Done

Attempting to connect to Logger with BT:

Connecting (VPW)...
J2534 client initializing...
Initializing J2534 Device
J2534 client: Device initialization fail.
Unable to connect to the device: 34
J2534 server: Device initialization failed
J2534 Server Quits


I do not have any parameters set for logging so I'm not getting any readings. yet.


Jim