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Acura DTC

Acura DTC P1078

Manufacture

Acura DTC

Code

P1078

Definition

Intake Manifold Tuning (IMT) Valve Stuck in Low RPM Position

Description

When the PCM sends an open (short runner) command, no short runner return signal is received for at least 3 seconds. Intake air temperature 5 ºF (-15 ºC), engine speed is 3,800 rpm and battery voltage minimum of 10.5v. DTCs P0107, P0108, P0112, P0113, P0117, P0118, P0563, P1128, P1129, P2227, P2228, P2229 are not active. NOTE: NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause

  • Poor connections or loose terminals at the IMT actuator and the PCMOpen or Short circuit between the PCM and the IMT actuatorFaulty IMT actuatorPCM needs to be updated with the latest softwareFaulty PCM

_P1078  There are 0 products.