P1639 Diagnostic Trouble Code Discussion for July 2009
5-Volt Reference 'B' Circuit Malfunction
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| Help Request | Posted | |
| 2006 Ford Ranger XLT 4.0L No Start VIN: 1FTZR45E56 P1639: vid block. ... with us. Truck was brought in on flat bed. No start and no crank. Security light flashing rapidly. Checked all fuses--ok. Attempted to communicate with PCM using IDS and no communication. Checked powers and grounds to PCM---all ok. Ordered new PCM from for... |
July 27, 2009 | |
| 2006 Ford Ranger XLT 4.0L No Start VIN: 1FTZR45E56 P1639: vid block. ... with us. Truck was brought in on flat bed. No start and no crank. Security light flashing rapidly. Checked all fuses--ok. Attempted to communicate with PCM using IDS and no communication. Checked powers and grounds to PCM---all ok. Ordered new PCM from for... |
July 29, 2009 |
