Code Definition

P0A07 — Motor electronics coolant pump circuit high

System: Powertrain  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About P0A07

P0A07 is a generic (obd-ii standard) powertrain diagnostic trouble code. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

When P0A07 is stored, the module has detected a signal or supply voltage higher than the expected operating range.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

Because P0A07 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

This DTC is set when the control module detects a voltage level in the motor electronics coolant pump control circuit that is higher than the calibrated threshold. This typically indicates a short-to-voltage condition, an open ground, or an internal failure in the pump or its control circuitry. The coolant pump is critical for managing the temperature of electric motor and power electronics systems.

Quick Facts