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2000 GMC Sierra 1500 SL 5.3L MIL Lamp on
So we have had knock sensor issues with this pickup since 2024, everytime it comes back we have tested wiring to and from pcm with no issues found, we have replaced both sensors and harness everytime using oe and aftermarket parts torquing the sensors to 1...
FIX posted 4/28/2026
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Message Closed w/FIX
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19 Replies Received
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Related Documents & Media | VIN | 1GTEK19T0Y |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0332 | Knock Sensor Rear Circuit Low Voltage |
Message Closed w/FIX
Vehicle Data
2000 GMC Sierra 1500 SL
| VIN | 1GTEK19T0Y |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0332 | Knock Sensor Rear Circuit Low Voltage |
Video