P0037: Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage Bank 1 Sensor 2

Possible Causes

• Faulty camshaft position actuator or sensor
• Low or contaminated engine oil
• Wiring or connector issues in the circuit
• Faulty engine control module (ECM)
• Timing chain or belt issues

Diagnosis and Repair

• Use an OBD-II scanner to confirm the code and check related codes
• Inspect wiring and connectors for damage or corrosion
• Check engine oil level and condition; replace if necessary
• Test the actuator or sensor with a multimeter
• Replace the faulty component
• Inspect timing components for wear or misalignment
• Clear the code and test drive to verify repair

Related Error Codes

See also: P0011 A camshaft position, P0012 A camshaft position, P0013 B camshaft position, P0014 B camshaft position, P0015 B camshaft position

Keywords: 1, sensor, fuse and relay guide, relay diagram, automotive wiring, fuse replacement guide, 2, circuit, vehicle fuse box, heater, (ho2s), voltage, low, p0037:, heated, car electrical system, ECU error codes, fuse box diagram, oxygen, fuse panel layout, car fuse types, bank, electrical troubleshooting

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