JC Landry, Author at eManualOnline Blog

JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

P2218 OBD2: NOx Sensor Heater Control Circuit/Open

JC Landry June 13, 2025

Learn all about the P2218 code, what causes NOx sensor heater control circuit/open issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P2219 OBD2: NOx Sensor Heater Control Circuit Low

JC Landry June 11, 2025

Learn all about the P2219 code, what causes NOx sensor heater control circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

P2220 OBD2: NOx Sensor Heater Control Circuit High

JC Landry June 11, 2025

Learn all about the P2220 code, what causes NOx sensor heater control circuit high issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P2221 OBD2: NOx Sensor Heater Sense Circuit

JC Landry June 11, 2025

Learn all about the P2221 code, what causes issues in the NOx sensor heater sense circuit, and how to diagnose and fix common issues to maintain optimal engine performance.

P2222 OBD2: NOx Sensor Heater Sense Circuit Range/Performance

JC Landry June 11, 2025

Learn all about the P2222 code, what causes NOx sensor heater sense circuit range/performance issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P2223 OBD2: NOx Sensor Heater Sense Circuit Low

JC Landry June 11, 2025

Learn all about the P2223 code, what causes NOx sensor heater sense circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

P2224 OBD2: NOx Sensor Heater Sense Circuit High

JC Landry June 11, 2025

Learn all about the P2224 code, what causes NOx sensor heater sense circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

P2225 OBD2: NOx Sensor Heater Sense Circuit Intermittent

JC Landry June 11, 2025

Learn all about the P2225 code, what causes NOx sensor heater sense circuit intermittent issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P2226 OBD2: Barometric Pressure Sensor “A” Circuit

JC Landry June 11, 2025

Learn all about the P2226 code, what causes barometric pressure sensor circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P2227 OBD2: Barometric Pressure Sensor “A” Circuit Range/Performance

JC Landry June 11, 2025

Learn all about the P2227 code, what causes Barometric Pressure Sensor "A" Circuit Range/Performance issues, and how to diagnose and fix common problems to maintain optimal engine performance.