Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1691 Mazda - Turbo Pressure Control Solenoid Circuit

Manufacturer-specific interpretation for Mazda. All interpretations of P1691

P · PowertrainEngineOBD2

What P1691 means

P1691
Turbo Pressure Control Solenoid Circuit Mazda · engine Data confidence 62%

The control module detected improper operation of the Turbo Pressure Control Solenoid circuit. This is the manufacturer-specific definition used by Mazda.

Related and nearby codes

How to read P1691

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

691

Specific fault index within the subsystem.

Frequently asked questions about P1691

What does P1691 mean?

Turbo Pressure Control Solenoid Circuit. The control module detected improper operation of the Turbo Pressure Control Solenoid circuit. This is the manufacturer-specific definition used by Mazda.

Is P1691 generic or manufacturer-specific?

P1691 is a manufacturer-specific code. In this database it is documented for: Mazda. The same number can mean something different on other brands.

Can TuningBot remove P1691 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningStage 1 dyno results for Mazda engines See the results →

← Search the full DTC database