P Codes – OBD2 Powertrain Codes

Learn all about the P0525 code, what causes cruise control servo control circuit range/performance issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.

Learn all about the P0526 code, what causes fan speed sensor circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P0527 code, what causes fan speed sensor circuit range/performance issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P0528 code, what causes fan speed sensor circuit no signal, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0529 code, what causes fan speed sensor circuit intermittent issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P052A code, what causes cold start 'A' camshaft position timing over-advanced, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P052B code, what causes cold start "A" camshaft position timing over-retarded, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P052C code, what causes cold start "A" camshaft position timing over-advanced, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P052D code, what causes cold start camshaft position timing over-retarded, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P052E code, what causes positive crankcase ventilation regulator valve performance issues, and how to diagnose and fix common issues to maintain optimal engine performance.