U1800 Diagnostic Trouble Code Discussion for January 2010
Lost Communication With Fuel Injector Control Module
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| Help Request | Posted | |
| 2004 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHK24154 U1800: lost communication with FICM. The customer brought us the truck due to the MIL being on. We cleared the code and gave the truck back. The light stayed off for a couple of days but then came back on. The same codes are present as the first time. We have checked and cleaned all grounds. My n... |
January 25, 2010 |
