P Codes – OBD2 Powertrain Codes

Learn all about the P0379 code, what causes timing reference high resolution signal "B" no pulses, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P037D code, what causes glow plug sense circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P037E code, what causes glow plug sense circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P037F code, what causes glow plug sense circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0381 code, what causes glow plug/heater indicator circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P0382 code, what causes issues with the glow plug/heater circuit, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P0383 code, what causes glow plug control module control circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0384 code, what causes Glow Plug Control Module Control Circuit High, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0385 code, what causes crankshaft position sensor "B" circuit issues, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0386 code, what causes crankshaft position sensor "B" circuit range/performance issues, and how to diagnose and fix common problems to maintain optimal engine performance.