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.

P0C3B OBD2: DC/DC Converter Temperature Sensor “A” High

JC Landry July 13, 2025

Learn all about the P0C3B code, what causes DC/DC converter temperature sensor 'A' high issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.

P0C3C OBD2: DC/DC Converter Temperature Sensor “A” Intermittent/Erratic

JC Landry July 13, 2025

Learn all about the P0C3C code, what causes DC/DC converter temperature sensor "A" intermittent/erratic issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.

P0C3D OBD2: DC/DC Converter Temperature Sensor “B” Circuit

JC Landry July 13, 2025

Learn all about the P0C3D code, what causes DC/DC converter temperature sensor circuit issues, and how to diagnose and fix common problems to maintain vehicle performance.

P0C3E OBD2: DC/DC Converter Temperature Sensor “B” Range/Performance

JC Landry July 13, 2025

Learn all about the P0C3E code, what causes DC/DC converter temperature sensor "B" range/performance issues, and how to diagnose and fix common issues to maintain optimal vehicle performance.

P0C3F OBD2: DC/DC Converter Temperature Sensor “B” Low

JC Landry July 13, 2025

Learn all about the P0C3F code, what causes the DC/DC Converter Temperature Sensor 'B' to report low, and how to diagnose and fix common issues to maintain optimal vehicle performance.

P0C40 OBD2: DC/DC Converter Temperature Sensor “B” High

JC Landry July 13, 2025

Learn all about the P0C40 code, what causes the DC/DC Converter Temperature Sensor "B" to be high, and how to diagnose and fix common issues to maintain optimal vehicle performance.

P0C41 OBD2: DC/DC Converter Temperature Sensor “B” Intermittent/Erratic

JC Landry July 13, 2025

Learn all about the P0C41 code, what causes issues with the DC/DC Converter Temperature Sensor, and how to diagnose and fix common issues to maintain optimal vehicle performance.

P0C42 OBD2: Hybrid Battery Pack Coolant Temperature Sensor Circuit

JC Landry July 13, 2025

Learn all about the P0C42 code, what causes issues with the hybrid battery pack coolant temperature sensor circuit, and how to diagnose and fix common problems.

P0C43 OBD2: Hybrid Battery Pack Coolant Temperature Sensor Circuit

JC Landry July 13, 2025

Learn all about the P0C43 code, what causes hybrid battery pack coolant temperature sensor circuit issues, and how to diagnose and fix common problems.

P0C44 OBD2: Hybrid Battery Pack Coolant Temperature Sensor Circuit Low

JC Landry July 13, 2025

Learn all about the P0C44 code, what causes hybrid battery pack coolant temperature sensor circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.