P0690 FORD – Electronic Control Module Power Relay Sense Circuit High

P0690 FORD Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P0690 FORD Possible Causes

Weak battery,Low voltage while cranking,Faulty Powertrain Control Module (PCM) relay,Blown PCM fuse,Faulty PCM,PCM harness is open or shorted,PCM circuit poor electrical connection

P0690 FORD Description

The Powertrain Control Module (PCM) monitors the voltage on the Ignition Switch Position Run (ISP-R) and the Fuel Injector Power Monitor (INJPWRM) circuits. This DTC sets when the voltage on the ISP-R and the INJPWRM circuit voltages do not correspond for a calibrated period of time.