DTC Troubleshooting: P1057 (179)
DTC P1057:
 Fuel Rail Pressure Control Valve Circuit Open
NOTE: Before you troubleshoot, record all freeze data and review the general troubleshooting information.
  1. Turn the ignition switch ON (II).
  1. Clear the DTC with the HDS.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P1057 indicated?
YES -
Go to Step 4 .
NO -
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the fuel rail pressure control valve and the ECM.■
  1. Turn the ignition switch OFF.
  1. Disconnect the fuel rail pressure control valve 2P connector.
  1. Turn the ignition switch ON (II).
  1. Measure voltage between fuel rail pressure control valve 2P connector terminal No. 2 and body ground.
Is there battery voltage?
YES -
Go to Step 8 .
NO -
Repair open in the wire between the under-hood fuse/relay box and the fuel rail pressure control valve, then go to Step 15 .