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DTC C1251/51 Open in Pump Motor Circuit: Description

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

The motor relay (semiconductor relay) is housed in the skid control ECU and drives the pump motor based on a signal from the skid control ECU.

DTC DETECTION CONDITION AND TROUBLE AREA REFERENCE

DTC No. DTC Detecting Conditions Trouble Areas
C1251/51 When either of following conditions detected:
  1. Actuator pump motor does not operate properly.
  2. Open in actuator pump motor circuit continues for at least 2 seconds.
Brake actuator