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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 90 (On-Board Diagnostic - Body Control Module (BCM) (3 Of 3)) >> DTC U262B-14: Electrical Supply Unit (ESU) IG1 Relay Circuit Malfunction (BCM) >> Outline

DTC U262B-14: Electrical Supply Unit (ESU) IG1 Relay Circuit Malfunction (BCM): Outline

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DTC U262B:14 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Electrical supply unit (ESU) IG1 relay circuit malfunction
Detection condition
  • The electrical supply unit (ESU) detects an open circuit or short to ground in the IG1 relay circuit.
Fail-safe Not applicable
Possible cause
  • IG1 relay No. 2 malfunction
  • Electrical supply unit (ESU) connector or terminal malfunction
  • Short to ground or open circuit in electrical supply unit (ESU) IG1 relay circuit
  • Electrical supply unit (ESU) malfunction
  • Body control module (BCM) malfunction
G13559746Courtesy of MAZDA MOTORS CORP.