PINPOINT TEST H: DTCs B2900 AND C1805

2010 Ford Focus S, StandardSECTION PINPOINT TEST H: DTCs B2900 AND C1805
  1. H1 VERIFY PCM VIN 
    • Connect the scan tool.
    • Ignition ON.
    • Using the scan tool, carry out the Network Test.
    • Enter the following diagnostic mode on the scan tool: Log Viewer.
    • Compare the VIN  in Log Viewer to the vehicle VIN  plate.
    • Does VIN in Log Viewer match the vehicle VIN plate? 
    • Yes:  GO to H2  .
    • No:  RECONFIGURE the PCM. FOLLOW the instructions on the scan tool. CLEAR the DTCs. CYCLE the ignition key. REPEAT the self-test.
  2. H2 VERIFY ABS MODULE PART NUMBER 
    • Retrieve and record the ABS module part number from Log Viewer and verify that the vehicle has the correct ABS module installed.
    • Is the correct ABS module installed in the vehicle? 
    • Yes:  CONFIGURE the ABS module. REFER to Programmable Module Installation (PMI) Using the Integrated Diagnostic System (IDS) When the Original Module is NOT Available in MODULE CONFIGURATION . CLEAR the DTC. CYCLE the ignition key. REPEAT the self-test.
    • No:  INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . CLEAR the DTC. CYCLE the ignition key. REPEAT the self-test.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

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

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.