2003 GMC Yukon XL 1500 SLT 5.3L MIL Lamp on
tps1 signal .81 volts tps2 .71 volts ref voltage problem on tps2 4.28v tps1 refv 4.91 checked power and grounds all good if i unplug actuator ref voltage 5.01 on both ref if i swap ref voltage wires 1 and 2 pins or cut wires and swap both are 4.83 is problem i...
FIX posted 9/22/2008
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Vehicle Data2003 GMC Yukon XL 1500 SLT
Trouble Codes
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Vehicle Data
2003 GMC Yukon XL 1500 SLT
VIN | 1GKEC16T53 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sfi |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P2135 | Throttle Position Sensor 1/2 Incorrect Voltage Correlation |