P1663 Diagnostic Trouble Code Discussion for September 2014
Change Oil Lamp Control Circuit Malfunction
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| Help Request | Posted | |
| 2002 GMC C7500 Topkick C7H042 8.1L code P1663 VIN: 1GDM7H1E72 P1663: Change engine oil lamp control circuit. DTC P1663 change engine oil lamp control circuit? I cannot find any diagnostic information on this code. Has anyone seen this code before and if so any suggestions on where to begin to fix it. I cleared the code and it came right back. Any help will be appreci... |
September 29, 2014 |
