
2001 GMC Yukon XL 1500 Denali 6.0L MIL Lamp on
most of the time fault sets on cold start up but have gotten it to fail on decel at highway speed inspected wiring from tps to tac module. Issue occured after lower intake gasket repair
FIX posted 4/8/2015
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Message Closed
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VIN | 1GKFK66U61 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Cold, on Decel, Intermittently |
Trouble Codes
P1220 | TP Sensor 2 Circuit Malfunction |
P1221 | TP Sensor 2 1-2 Correlation |
P1515 | Control Module Throttle Actuator Position Performance |
Message Closed
Vehicle Data
2001 GMC Yukon XL 1500 Denali
VIN | 1GKFK66U61 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Cold, on Decel, Intermittently |
Trouble Codes
P1220 | TP Sensor 2 Circuit Malfunction |
P1221 | TP Sensor 2 1-2 Correlation |
P1515 | Control Module Throttle Actuator Position Performance |