1999 Isuzu NPR-HD 5.7L Transmission
This NPR, with 4L80 trans, sets two codes, PO748, for trans pressure control solenoid problem. It occurrs intermittently. When it occurrs, the solenoid amperage shows zero volts, and it cannot be changed. The other interesting thing is it sets code for U1041 c...
FIX posted 12/25/2009
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Message Closed w/FIX
Vehicle Data1999 Isuzu NPR-HD
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Message Closed w/FIX
Vehicle Data
1999 Isuzu NPR-HD
VIN | 4KLB4B1R9X |
Engine | 5.7 L / 8 cyl / GAS |
Delivery | FI |
Affected | Transmission |
Conditions | Harsh Shift/ Limp In |