PACCAR DAF P00B7 Fault Code – Coolant Pump Speed Too Low | MX-13 troubleshooting Information
PACCAR / DAF P00B7 Fault Code Technical Information This technical document provides diagnostic and troubleshooting information for DTC P00B7 used on applicable PACCAR/DAF engine configurations, including MX-13 applications. The P00B7 fault is detected by the PCI ECU (D420) when the average coolant pump speed is approximately 400 rpm lower than expected. ⚙️ Diagnostic Condition The…