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Home >> Mazda >> 2006 >> MX-5 Miata Base >> Repair and Diagnosis >> Suspension >> Wheels & Tire System >> On-Board Diagnostic [Suspension System - Tire Pressure Monitoring System) >> DTC B2868, B2869, B2870, B2871

DTC B2868, B2869, B2870, B2871

DTC B2868, B2869, B2870, B2871 TABLE

DTC B2868 Wheel unit No.1 (internal malfunction)
B2869 Wheel unit No.2 (internal malfunction)
B2870 Wheel unit No.3 (internal malfunction)
B2871 Wheel unit No.4 (internal malfunction)
DETECTION CONDITION 
  • The instrument cluster receives error signals from the wheel unit.
POSSIBLE CAUSE 
  • Internal malfunction of wheel unit
DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 IDENTIFY MALFUNCTIONING WHEEL UNIT 
  • Identify the malfunctioning wheel unit.
  • Replace and register the wheel unit. (See WHEEL UNIT ID REGISTRATION .)
  • Go to the next step.
2 VERIFY TROUBLESHOOTING COMPLETED 
  • Clear the DTC from the memory. (See CLEARING DTCS PROCEDURE  .)
  • Drive the vehicle at a speed of 25 km/h {15.5 mph} or more  for 10 min or more. 
  • Is the same DTC present?
 Yes Go to Step 1.
No Go to the next step.
3 VERIFY AFTER REPAIR PROCEDURE 
  • Are there any other DTCs present?
 Yes Go to the applicable DTC inspection. (See DTC TABLE  .)
No DTC troubleshooting completed.
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