Pinpoint Test B : DTC (Diagnostic Trouble Code) U3003:62

WARNING: This page is about a different car, the 2015 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

B1 CHECK THE RFA (REMOTE FUNCTION ACTUATOR) MODULE VOLTAGE SUPPLY

Ignition ON.

Measure and record the battery voltage.

Ignition OFF.

Disconnect RFA module C4392C .

Ignition ON.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C4392C-5	Courtesy of FORD MOTOR COMPANY	Ground

Is the voltage measured at the RFA module within 2 volts of the voltage measured at the battery?

Yes

GO to B2

No	REPAIR the circuit.

B2 CHECK THE RFA (REMOTE FUNCTION ACTUATOR) MODULE GROUND

Measure:

Positive Lead	Measurement / Action	Negative Lead
C4392C-5	Courtesy of FORD MOTOR COMPANY	C4392C-4

Is the voltage greater than 11 volts?

Yes

GO to B3

No	REPAIR the circuit.

B3 CHECK FOR CORRECT RFA (REMOTE FUNCTION ACTUATOR) MODULE OPERATION

Ignition OFF.

Disconnect and inspect all the RFA module connectors.

Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the RFA module connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes	CHECK for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new RFA module. REFER to: Remote Function Actuator (RFA) Module .

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.