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International Automotive Technicians Network
2003 GMC Yukon Denali 6.0L MIL Lamp on
Posted to GM Driveability on 11/19/2012 15 Replies

Greetings fellow techs, Got one here that has been eating our lunch for a couple days. 2003 GMC Yukon 6.0 came in with check engine light. Customer stated it lost power and wasn't able to accelerate. When we started it of course it worked OK. Codes stored were...

15 Replies Received (View Replies)

  Related Documents & Media  2003 GMC Yukon Denali

 
Message Closed w/FIX

car Vehicle Data

2003 GMC Yukon Denali

VIN 1GKEK63U53
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0120Throttle Position Sensor Circuit Malfunction
P2135Throttle Position Sensor 1/2 Incorrect Voltage Correlation
Message Closed w/FIX

car Vehicle Data

2003 GMC Yukon Denali

VIN 1GKEK63U53
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0120Throttle Position Sensor Circuit Malfunction
P2135Throttle Position Sensor 1/2 Incorrect Voltage Correlation