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2010 GMC Yukon Denali 6.2L MIL Lamp on
Has anyone come across this code p3400 ( cylinder deactivate
FIX posted 7/6/2019
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GKUCEEF9A |
| Engine | 6.2 L / 8 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P3400 | MDS Rationality - Bank 1 |
Message Closed w/FIX
Vehicle Data
2010 GMC Yukon Denali
| VIN | 1GKUCEEF9A |
| Engine | 6.2 L / 8 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P3400 | MDS Rationality - Bank 1 |
Video