2002 Ford Focus SVTFACTORY OEM SERVICE PROCEDURE

Stability Assist System DTCS

STABILITY ASSIST MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action
B1342 ECU Is Defective ESP CLEAR the DTCs. RETRIEVE the DTCs.
If DTC B1342 is retrieved, INSTALL a new HCU.
REPEAT the selftest.
B1676 Battery Voltage Out of Range ESP C
C1095 ABS Hydraulic Pump Motor Circuit Failure ESP E
C1145 Speed Wheel Sensor RF Input Circuit Failure ESP F
C1155 Speed Wheel Sensor LF Input Circuit Failure ESP F
C1165 Speed Wheel Sensor RR Input Circuit Failure ESP F
C1175 Speed Wheel Sensor LR Input Circuit Failure ESP F
C1233 Speed Wheel LF Input Signal Missing ESP G
C1234 Speed Wheel RF Input Signal Missing ESP G
C1235 Speed Wheel RR Input Signal Missing ESP G
C1236 Speed Wheel LR Input Signal Missing ESP G
C1267 ABS Functions Temporarily Disabled ESP H
C1279 Yaw Rate Sensor Circuit Failure ESP I
C1280 Yaw Rate Sensor Signal Fault ESP I
C1281 Accelerometer Circuit Failure ESP J
C1282 Accelerometer Signal Fault ESP J
C1285 Booster Solenoid Circuit Failure ESP K
C1286 Booster Mechanical Failure ESP L
C1287 Booster Pedal Force Switch Circuit Failure ESP M
C1288 Pressure Transducer Main/Primary Input Circuit Failure ESP N
C1289 Pressure Transducer Redundant/Secondary Input Circuit Failure ESP O
C1440 Pressure Transducer Main/Primary Signal Faulted ESP N
C1730 Reference Voltage Out of Range (+5 V) ESP P
C1937 Steering Wheel Angle Sensor Offset Failure ESP D
U1053 SCP (J1850) Invalid or Missing Data for Steering / Steering Wheel ESP V
U1262 SCP (J1850) Communication Bus Fault Network Fault Refer to SELF-DIAGNOSTIC SYSTEM
Factory Service Tools

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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.