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2003 GMC Yukon XL 1500 SLT, ECM/Inputs/Outputs Waveform
Waveform show the two TPS's and the two APP's koeo snap throttle. Both TP2 and APP2 reference voltages are pulled down by the TAC module to check circuit integrity as safety measure. Ch A-TP1, Ch B-TP2, Ch C-APP1, Ch D-APP2.
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| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | , |
| Condition | Known Good |
Vehicle Data
2003 GMC Yukon XL 1500 SLT 5.3L
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | , |
| Condition | Known Good |
Video