2005 Ford Econoline E150, Van Cargo, 5.4 LFACTORY OEM SERVICE PROCEDURE

Pinpoint Test F: DTC C1185: Testing

NOTE: Repair all other DTCs before proceeding.
  1. F1 CHECK THE ANTI-LOCK BRAKE SYSTEM (ABS) MODULE FOR DTCS 
    • Key in OFF position.
    • Connect the diagnostic tool.
    • Retrieve and record the ABS module DTCs.
    • Is DTC C1185 retrieved? 
    • Yes  : GO to F2.
    • No  : CLEAR the DTCs. DRIVE the vehicle over a rough road. REPEAT the self-test. TEST the system for normal operation.
  2. F2 CHECK CIRCUIT 532 (OG/YE) FOR POWER 
    • Measure the voltage between the ABS module C135 pin 9, circuit 532 (OG/YE), harness side and ground; and between the ABS module C135 pin 25, circuit 532 (OG/YE), harness side and ground.
      Fig 1: Measuring Voltage Between ABS Module C135 pin 9, Circuit 532 (OG/YE) & Ground & Between ABS Module C135 Pin 25 & Ground
      G03891577Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes  : GO to F3.
    • No  : REPAIR the circuit. REPEAT the self-test. TEST the system for normal operation.
  3. F3 CHECK FOR CORRECT ABS MODULE OPERATION 
    • Disconnect all ABS connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all ABS connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes  : INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . TEST the system for normal operation.
    • No  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.