P1639 Diagnostic Trouble Code Discussion for October 2006
5-Volt Reference 'B' Circuit Malfunction
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| Help Request | Posted | |
| 2001 Ford F-150 XL 4.6L Poor Idle Quality VIN: 1FPRAR0869 P1639: vehicle id block corrupted not programmed. i would like some info on this code as well as how to go about this problem ,i check all the info i have but come up with nothing ,any help would be greatly bneeded. phil |
October 04, 2006 | |
| 2001 Ford F-150 XL 4.6L Poor Idle Quality VIN: 1FPRAR0869 P1639: vehicle id block corrupted not programmed. i would like some info on this code as well as how to go about this problem ,i check all the info i have but come up with nothing ,any help would be greatly bneeded. phil |
October 05, 2006 |
