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2015 Chevrolet Silverado 2500 HD LT 6.6L MIL Lamp on
Posted to GM Driveability on 3/31/2019 7 Replies

Came in with codes P154B,P154B replaced intake air heater .The truck came back with [...] 175 amp fuse powers and grounds to glow plug [...] relay for [...] tested 6 wires between iah [...] glow plug mod reflashed, still same .Do I need to open wiring [......

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  Related Documents & Media  2015 Chevrolet Silverado 2500 HD LT

 
Message Closed w/FIX

car Vehicle Data

2015 Chevrolet Silverado 2500 HD LT

VIN 1GC1KVE84F
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.P154b

Trouble Codes

P154BIntake Air (IA) Heater Signal Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

2015 Chevrolet Silverado 2500 HD LT

VIN 1GC1KVE84F
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently
Misc.P154b

Trouble Codes

P154BIntake Air (IA) Heater Signal Circuit Malfunction