P Codes – OBD2 Powertrain Codes

Learn all about the P0852 code, what causes park/neutral switch input circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0853 code, what causes drive switch input circuit issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.

Learn all about the P0854 code, what causes drive switch input circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0855 code, what causes drive switch input circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0856 code, what causes traction control input signal issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.

Learn all about the P0857 code, what causes traction control input signal range/performance issues, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0858 code, what causes traction control input signal low, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0859 code, what causes traction control input signal high, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P085A code, what causes gear shift control module "B" communication circuit issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.

Learn all about the P085B code, what causes gear shift control module communication issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.