JAGUAR P1549

OBD Codes

P1549

Description of the defect

Intake Manifold Communication Control Circuit Malfunction
The IMCC or intake manifold tuning (IMT) valve system is monitored for failure during continuous or key ON engine OFF self-test. The test fails when the PCM detects a concern with IMT valve output circuit.

Possible causes

List of elements that might trigger the appearance of this code

Open IMT valve circuit
Open VPWR circuit
Shorted IMT valve circuit
Damaged IMT valve
Damaged PCM

Diagnostic help

Some tricks to help us for the diagnosis of the failure

An IMT valve fault PID (IMTVF) displaying YES status may indicate a fault

DPF or catalyst problems ?

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Created by CAP Informatique Reims