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I do have some info on the codes.
P0513 stands for invalid SKIM Key. Basically it means that the "computer chip" that is in your ignition key which has a special code is not recognized by your vehcile compter (PCM). In most cases that I have come across is that either your VIN is not entered or is the incorrect VIN programmed into the PCM. Have you recently changed the PCM ? You may try another ignition key but I doubt that would work unless you are using the wrong key for the vehicle. You will need special diagnostic computer programs in order to correct this problem. Most likely your PCM will need to be "Flashed" to the VIN. This really isn't a weekend/backyard/part time mechanic fix. Hope this helps you to understand what the code is and what it means.
U110 - Lost Communication With Scm-this may be another key switch problem or relates to a dirty/corroded harness connection...its losing signal at the pcm for the key. Have you made electrical mods to the car?
Here's what the tech would test seeing this code:
DTC set conditions:
² When Monitored:
² With the ignition on
² Battery voltage between 10 and 16 volts
² IOD fuse installed
² FCM is configured correctly
² Set Condition:
Bus messages not received from the SCM (CAN C) for approximately 200ms.
Possible Causes
CAN B BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
FCM NOT CONFIGURED CORRECTLY
STEERING CONTROL MODULE
STEERING CONTROL MODULE POWER AND GROUND
MODULE THAT SET THIS DTC
Diagnostic Test
1. VERIFY DTC IS ACTIVE
NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.
With the scan tool, read active DTCs.
Is this DTC active?
Yes >> Go To 2
No >> Refer to the Stored Lost Communication test procedure. Refer to the table of contents in this section.
Perform BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
2. CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS
With the scan tool, read active DTCs from all modules.
NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition
related DTCs.
Does the scan tool display any active DTCs to the conditions listed above?
Yes >> Diagnose and repair the DTC. Refer to the Table of Contents for a complete list of the symptoms.
Perform BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
No >> Go To 3
3. VERIFY THAT THE SCM IS ACTIVE ON THE BUS
Turn the ignition on.
With the scan tool, select Network Diagnostics.
Verify that the SCM is active on the bus.
Is the SCM active on the bus?
Yes >> Go To 4
No >> Refer to the Table of Contents located in this section for a no response test procedure.
Perform BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
4. CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS
With the scan tool, select Network Diagnostics.
Is there more than one module with active DTCs “Logged Against” the SCM?
Yes >> Replace/update the Steering Control Module in accordance with the service information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
No >> Replace/update the module that set this DTC in accordance with the service information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
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Linear Mode
