FixVault

Possible Causes

Possible Causes 
(F950) RUN-START RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE
(F950) RUN-START RELAY OUTPUT CIRCUIT SHORTED TO GROUND
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure  .