DTC B1540 Mitshubishi

Camshaft Position Sensor Circuit Malfunction

Camshaft Position Sensor Circuit Malfunction

Description

Engine cranking or running; and the PCM did not receive any CMP signals after it detected a Start signal for a period of 3 seconds.

Cause and Solution

CMP (Hall) sensor signal circuit is open or shorted to groundCMP (Hall) sensor ground circuit is openCMP (Hall) sensor power circuit open (test power at MFI relay)CMP sensor is damaged or has failedPCM has failed (PCM provides a VREF signal to the sensor)

Video Guide

Duration: PT4M12S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: B1540
  • Brand: Mitshubishi
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