P0537
A/C Evaporator Temperature Circuit Low Input
Generic code
Vehicle Speed and Idle Control System
Low severity
Hard repair
Free on OBD DashX
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What P0537 means
- The fault code P0537 signals that the circuit responsible for the A/C refrigerant pressure sensor is experiencing low input. This could cause the A/C system to perform poorly or not function at all.
Possible symptoms
- A/C system not functioning
- Poor or inadequate cooling performance
- Illuminated A/C system warning light
- Reduced fuel efficiency due to A/C system inefficiency
Possible causes
- Faulty A/C refrigerant pressure sensor
- Worn or damaged electrical wiring or connections
- Low refrigerant levels
- Damaged A/C compressor
Related parts
- A/C Evaporator Temperature Sensor: Prevents the air conditioning refrigerant from becoming too cold. Problems lead to reduced AC cooling
Possible solutions
- Replace faulty A/C refrigerant pressure sensor
- Repair or replace damaged electrical wiring or connections
- Recharge refrigerant levels to manufacturer specifications
- Replace damaged A/C compressor
Free on OBD DashX
P0537 on OBD DashX
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