how to fix the P0135 code in my Renault Clio V (2019-Present)

Learn how to diagnose and fix P0135 O2 sensor heater circuit issue in Renault Clio V. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle battery to ensure safety while working on electrical components.

2. Inspect and Repair Wiring

• Tools Required: Wire strippers, electrical tape, multimeter
• Inspect the wiring harness leading to the O2 sensor for any visible damage.
• If damage is found, strip the wire ends and splice in new wire sections as needed.
• Use electrical tape to secure and insulate the repaired sections.

3. Replace the Oxygen Sensor

• Tools Required: O2 sensor socket, ratchet and extension, torque wrench
• Locate the upstream oxygen sensor on the exhaust manifold.
• Use the O2 sensor socket to carefully unscrew the sensor from its mounting location.
• Apply anti-seize compound to the threads of the new sensor.
• Install the new O2 sensor, tightening it to the manufacturer's specifications (typically around 30 Nm or 22 lb-ft).
• Reconnect the electrical connector to the new O2 sensor.

4. Reset the Engine Control Unit (ECU)

• Tools Required: OBD-II scanner
• Use the OBD-II scanner to clear the P0135 code from the ECU.
• Reconnect the battery if it was disconnected earlier.