
2008 Chevrolet Silverado 2500 HD WT 6.6L 1-2 Shift
This Allison 1000 will miss the 1-2 shit once in the morning after sitting overnight. Sometimes it'll set p0844,p0877 and if cleared it'll run all day perfectly until it sets overnight. I've changed the internal harness and pressure switch assembly. Module... ![]()
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VIN | 1GCHK23618 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | 1-2 Shift |
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Vehicle Data
2008 Chevrolet Silverado 2500 HD WT
VIN | 1GCHK23618 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | 1-2 Shift |