P1537 OBD Trouble Code

1 result found

P1537 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Air Conditioning Request Circuit Voltage Low Conditions
Cause

DTC P1605 not set, A/C compressor requested on by HVAC serial data, then the PCM detected that the A/C request line was low, conditions met for 20 continuous seconds

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