The control module detected that the signal in the A/C Request circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Chevrolet.
TuningBot DTC Database · v4.37.15
P1537 Chevrolet - A/C Request Circuit Low Voltage
Manufacturer-specific interpretation for Chevrolet. All interpretations of P1537
What P1537 means
Related and nearby codes
How to read P1537
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1537
What does P1537 mean?
A/C Request Circuit Low Voltage. The control module detected that the signal in the A/C Request circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Chevrolet.
Is P1537 generic or manufacturer-specific?
P1537 is a manufacturer-specific code. In this database it is documented for: Chevrolet. The same number can mean something different on other brands.
Can TuningBot remove P1537 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
Understand the system behind this code: Diagnostic Strategy and DTC Logic
