2004 Chevrolet Silverado 2500 HD 6.6L No Start
Customer brought for no start unless he used ether hot or cold. Scan found p0380 and p0540 set, p0380 sets 2nd key cycle every time tested glow plug relay circuit has power and grounds also power to iah (intake air heater)unplugged glow plug controller to test...
FIX posted 2/25/2017
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Message Closed w/FIX
Vehicle Data2004 Chevrolet Silverado 2500 HD
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2004 Chevrolet Silverado 2500 HD
VIN | 1GCHK23174 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection / fuel |
Emissions | OBD-II Compliant |
Symptoms | No Start |
Occurs | Always |
Misc. | P0380 P0540 |
Trouble Codes
P0380 | Intake Air Heater Relay 1 Control Circuit Malfunction |
P0540 | Intake Air Heater Feedback Circuit Malfunction |