58 SDM Code Meaning??
Race Director
Joined: Feb 2004
Posts: 11,651
Likes: 9
From: HOW FAST WAS I GOING OFFICER? Los Angeles Hating GM Dealership Service Dept.'s Since Sept. 2004
St. Jude Donor '04-'05-'06-'07
U1000 Loss of Communication Undetermined -RFA
U1016 Loss Of Communication with PCM (No SOH Message Received -RFA
U1064 Loss Of Communication with DCM (No SOH Message Received -RFA
U1096 Loss Of Communication with IPC (No SOH Message Received -RFA
But these are history codes... what's the issue? If they had a C I'd say they were current... as for that 58... I have no clue...
Maybe you should reset them:
DTC CODE RESET
To intiate the sequence hold button 4 down and while holding it down press the 1 button 4 times (it could be 5 times I cant remember) within 10 seconds (very easy to do). You can then let go of all the buttons. The computer will then scroll through the different sections (I think there are 9-12 different sections. 1 for PCM, 1 for TCS, 1 for BCM, 1 for HVAC, right door, left door, and a bunch of others...anyway, after each main section, the DIC will try to scroll through the codes that are either currently present or have happened in the past (example: TCS->C1226CH). The C and H at the end of the 4 digits tells you if its a Current code or a History code. Either one can be present or both stating that it happened in the past and is still happening. Usually if its a H (history code) you will want to clear it to see if it comes back. Many times, tons of codes are set if your battery is super low or disconnected. Just clear them and call it a day...no big deal. If no codes are present it will tell you so. You can stop this automatic process of scrolling by hitting reset (the 6th button). This will enter you into the manual mode where you scroll through the sections and codes by using buttons 1-4. You would want to do this 1. because the auto scroll scrolls so fast that you dont have time to see each code and write them down, and 2. because you cant clear the codes in this mode. Once you enter the manual mode you hit the 4 button to scroll through the different sections forward, the 3 button to move backwards through the sections. Once you are in the right section, hit the 2 button to scroll through the codes for that section. If there are no codes, it will tell you no codes. You can hit the 1 to scroll backwards through the individual codes. Once you have the code up that you want, hold the reset button until the code disappears. To exit the program completely, hit the E/M (button 5).
This sounds complicated but in reality,once you do it once its easy. You can do it while driving down the road...take about 15 seconds to get them cleared out.
Also, I heard that a couple guys on here stuffed the wireharness pigtail terminals with grease to help protect against corrotion and water damage.
U1016 Loss Of Communication with PCM (No SOH Message Received -RFA
U1064 Loss Of Communication with DCM (No SOH Message Received -RFA
U1096 Loss Of Communication with IPC (No SOH Message Received -RFA
But these are history codes... what's the issue? If they had a C I'd say they were current... as for that 58... I have no clue...
Maybe you should reset them:
DTC CODE RESET
To intiate the sequence hold button 4 down and while holding it down press the 1 button 4 times (it could be 5 times I cant remember) within 10 seconds (very easy to do). You can then let go of all the buttons. The computer will then scroll through the different sections (I think there are 9-12 different sections. 1 for PCM, 1 for TCS, 1 for BCM, 1 for HVAC, right door, left door, and a bunch of others...anyway, after each main section, the DIC will try to scroll through the codes that are either currently present or have happened in the past (example: TCS->C1226CH). The C and H at the end of the 4 digits tells you if its a Current code or a History code. Either one can be present or both stating that it happened in the past and is still happening. Usually if its a H (history code) you will want to clear it to see if it comes back. Many times, tons of codes are set if your battery is super low or disconnected. Just clear them and call it a day...no big deal. If no codes are present it will tell you so. You can stop this automatic process of scrolling by hitting reset (the 6th button). This will enter you into the manual mode where you scroll through the sections and codes by using buttons 1-4. You would want to do this 1. because the auto scroll scrolls so fast that you dont have time to see each code and write them down, and 2. because you cant clear the codes in this mode. Once you enter the manual mode you hit the 4 button to scroll through the different sections forward, the 3 button to move backwards through the sections. Once you are in the right section, hit the 2 button to scroll through the codes for that section. If there are no codes, it will tell you no codes. You can hit the 1 to scroll backwards through the individual codes. Once you have the code up that you want, hold the reset button until the code disappears. To exit the program completely, hit the E/M (button 5).
This sounds complicated but in reality,once you do it once its easy. You can do it while driving down the road...take about 15 seconds to get them cleared out.
Also, I heard that a couple guys on here stuffed the wireharness pigtail terminals with grease to help protect against corrotion and water damage.
