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2014 Chevrolet Silverado 3500 HD LT 6.6L MIL Lamp on
Posted to GM Driveability on 1/4/2019 7 Replies

Hi guys need HELP. Came with codes below and poor fluid quality message on dash.46 grams off [...] came in back in November with same issue we did the reductant quality test and light went out at that time had 34gram of soot. Looked at the p22a1 and p22a0 ...

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car Vehicle Data

2014 Chevrolet Silverado 3500 HD LT

VIN 1GC3KZC86E
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P11DCnox sensor 2 current performance
P16A8glow plug control module temp-intake air heater temp correlation
P20EEnox sensor catalyst efficiency below threshold
P22A0nox sensor 2 ckt low volt
P22A1Nox sensor 2 ckt high volt
Open Help Request

car Vehicle Data

2014 Chevrolet Silverado 3500 HD LT

VIN 1GC3KZC86E
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P11DCnox sensor 2 current performance
P16A8glow plug control module temp-intake air heater temp correlation
P20EEnox sensor catalyst efficiency below threshold
P22A0nox sensor 2 ckt low volt
P22A1Nox sensor 2 ckt high volt