P2218 GMC - NOx Sensor Heater Control Circuit/Open Bank 2
P2218 GMC Possible Causes
- Faulty Nitrogen Oxide (NOx) Sensor
- Nitrogen Oxide (NOx) Sensor harness is open or shorted
- Nitrogen Oxide (NOx) Sensor circuit poor electrical connection
First diagnose P2218 GMC code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the P2218 GMC code
Labor: 1.0The cost of diagnosing the P2218 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
P2218 GMC Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P2218 Gmc DescriptionThe Nitrogen Oxide (NOx) sensor measures the amount of nitric oxide and nitrogen oxide in the exhaust system. When the NOx sensor indicates that the storage capacity has been reached, the regeneration phase is initiated by the fueling management system. The Powertrain Control Module (PCM) monitors the NOx sensor and sets the code when the NOx sensor circuit voltage reading is not within the normal operating threshold for a specific engine bank.
P2218 GMC More InformationNeed more information on how to fix the P2218 GMC code?
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