U0122 Diagnostic Trouble Code Discussion for May 2017
Lost Communication With VSA Modulator Control Unit
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| Help Request | Posted | |
| 2009 GMC Yukon Denali 6.2L No Start VIN: 1GKFK032X9 U0122: loss of communication to fuel computer. This Denali will not crank over and I have no communication with the scan tool. Check all fuses, power and grounds. Started disconnecting modules and when EBCM was disconnected I got scanner communication and vehicle started. Put a used EBCM in it and same iss... |
May 23, 2017 | |
| 2009 GMC Yukon Denali 6.2L No Start VIN: 1GKFK032X9 U0122: loss of communication to fuel computer. This Denali will not crank over and I have no communication with the scan tool. Check all fuses, power and grounds. Started disconnecting modules and when EBCM was disconnected I got scanner communication and vehicle started. Put a used EBCM in it and same iss... |
May 30, 2017 |
