DTC Tests

1996 Ford Bronco 5.0 N, Automatic, E4ODSECTION DTC Tests
NOTE: If condition is not corrected at completion of specified DTC test, refer to PRETEST CHECKS  .
DTC TEST INDEX

DTC (Codes) Proceed To
11 (ECU Failure) Replace ECU
17 (Reference Voltage, Intermittent Valve) TEST A 
22 (LF Inlet Valve) TEST B 
23 (LF Outlet Valve) TEST C 
24 (RF Inlet Valve) TEST D 
25 (RF Outlet Valve) TEST E 
26 (Rear Axle Inlet Valve) TEST F 
27 (Rear Axle Outlet Valve) TEST G 
31 (LF Wheel Sensor Static) TEST H 
32 (RF Wheel Sensor Static) TEST J 
33 (Rear Axle Speed Sensor Static) TEST K 
35, 41, 55, 75 (LF Wheel Sensor Dynamic) TEST L 
36, 42, 56, 76 (RF Wheel Sensor Dynamic) TEST M 
37, 43, 57, 77 (Rear Axle Speed Sensor Dynamic) TEST N 
51 (LF Outlet Valve) TEST P 
52 (RF Outlet Valve) TEST Q 
53 (Rear Axle Outlet Valve) TEST R 
63 (Pump Motor Triggered, Did Not Run) TEST S 
65 (Accelerator Sensor) TEST T 
67 (Pump Motor Running, Not Triggered) TEST U 
ABS Warning Light On, No Code TEST V 
Intermittent Problem TEST W 
Code Or Symptom Not Known TEST X 
ABS And Speedometer Not Functioning Properly TEST Y 
RENDER: 1.0x

NO RELATED

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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.