DTC P025B-00: Fuel Pump Control Module Circuit Range/Performance Problem: Outline

DTC P025B:00 (PCM - SKYACTIV-G) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Fuel pump control module circuit range/performance problem
Detection condition	When any of the following conditions is met: PCM detects overheating in fuel pump control module. Output duty ratio signal received from PCM is in error. Temperature detection thermistor in fuel pump control module is malfunctioning. Output signal from fuel pump control module is erratic (noise overlap).
Fail-safe	Stops fuel pump control. (If overheating is detected in fuel pump control module)
Possible cause	Fuel pump control module connector or terminals malfunction PCM connector or terminals malfunction Short to ground in fuel pump control module control circuit Short to power supply in fuel pump control module control circuit Open circuit in fuel pump control module control circuit Fuel pump control module malfunction PCM malfunction
Courtesy of MAZDA MOTORS CORP.