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2004 GMC Sierra 2500 HD 6.6L MIL Lamp on
Posted to GM Driveability on 10/2/2016 3 Replies

hello fellas;

This one is a doozy; as you can see we are into these recurring codes, namely: P1404 and P2227. Wires all tested good...

looking at stream data it was noticed that the baro sensor signal spikes downward (momentarily) ~ 29.2 to 28.9 in hg... wh...

3 Replies Received (View Replies)

  Related Documents & Media  2004 GMC Sierra 2500 HD

 
Message Closed

car Vehicle Data

2004 GMC Sierra 2500 HD

VIN 1GTHC23164
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / turbo diesel
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0380Intake Air Heater Relay 1 Control Circuit Malfunction
P1404EGR Valve Stuck Closed Malfunction
P2227BARO Sensor Range/Performance
Message Closed

car Vehicle Data

2004 GMC Sierra 2500 HD

VIN 1GTHC23164
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / turbo diesel
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0380Intake Air Heater Relay 1 Control Circuit Malfunction
P1404EGR Valve Stuck Closed Malfunction
P2227BARO Sensor Range/Performance