P1688 Diagnostic Trouble Code Discussion for December 2004
Unmanaged Engine Torque Signal Delivered To TCM
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| Help Request | Posted | |
| 1999 Dodge Ram 2500 5.9L No Start VIN: 3B7KF2368X P1688: internal pump controller failure. ... customer 5500.00 to repair. truck just quit going down road,no warning. if truck sets overnite will start and run for 2-3 minutes and then cut off and no restart. has code p1688 but no one has any info on this code.hate to replace pump assembly unless i ha... |
December 10, 2004 |
