Expedition 4WD V8-5.4L VIN 5 (2006)
Parking Assist Control Module: Customer Interest
Parking Assist System - Speaker Inop./DTC C1742/C1743
PARKING AID SPEAKER INOPERATIVE - DTCS C1742
2005-2007 Five Hundred, Freestyle
2004-2006 Escape, Expedition, Explorer,
2004-2007 F-250, F-350
Some 2004-2007 vehicles equipped with the parking aid reverse sensing system (RSS) may experience low or no audible sound due to speaker issues
related to the RSS. The speaker is attached to the module which may exhibit diagnostic trouble codes (DTCs) C1742 (Rear Sounder Circuit Fault) and/or
C1743 (Rear Sounder Short).
Follow the Service Procedure steps to correct the condition.
Verify that DTCs C1742 and/or C1743 are present. Also, low audible or intermittent audible warning condition may exist as well.
If DTCs C1742 and/or C1743 are present, replace parking aid speaker on module with speaker in Speaker Kit. Follow instructions in Speaker Kit.
Clear DTCs and repeat check for DTCs C1742 and/or C1743.
If DTCs C1742 and/or C1743 go away and speaker sounds, the repair is complete.
If DTCs remain, follow normal diagnostics in the appropriate Workshop Manual, Section 413-13 Pinpoint Test F.
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
Replace Parking Aid
Speaker, Includes Time To
Access Module (Do Not
Use With 31012AR,
2004-2007 Super Duty
250/350: Replace Parking
Aid Speaker, Includes
Time To Access Module
(Do Not Use With