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2012 GMC Sierra 1500 SLE, ECM/Inputs/Outputs Photo
Showing number of teeth between crank trigger and cam signal switch. This shows the cam signal switching from low to high at the end of the 3rd crank tooth after the crank trigger. The known good pattern shows it happening at the beginning of the second tooth....
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| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 6-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | , |
| Condition | Unknown |
References
Vehicle Data
2012 GMC Sierra 1500 SLE 5.3L
| Engine | 5.3 L / 8 cyl / FLEX |
| Trans | 6-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | , |
| Condition | Unknown |