My 07 Duramax threw a DTC code [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums
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: My 07 Duramax threw a DTC code

MDANZINGER
08-08-2007, 08:58 PM
I got two codes today U1301 and P0403. Anyone know what they mean?
hondarider552
08-11-2007, 04:59 PM
Exhaust Gas Recirculation Circ Error
GordonC
08-12-2007, 03:59 AM
I got two codes today U1301 and P0403. Anyone know what they mean?

Common problem. My EGR went out at 5000 miles.
Duramax 6.6L
08-13-2007, 11:55 AM
DTC U1301 Class 2 Short to Battery.

DTC P0403 EGR Solenoid circuit
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