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P0135 on Chevrolet Traverse

O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)

Factory diagnostic protocol and troubleshooting wire for fault code P0135 specifically for the Chevrolet Traverse (2020–2026, 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD)).

Verified OEM Telemetry & Field Repair Tree
Chevrolet Traverse2020–2026
Chevrolet Traverse
SUV2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Traverse SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Drivable (Short Trip)
Low to Medium urgency level
Est. Repair Cost
$80 - $240 (DIY Sensor: $45)
Parts & Labor DIY
Check P0135 On Another Chevrolet Model:
Diagnose P0135 on Specific Traverse Model Year:

1. Symptoms of P0135 on Chevrolet Traverse

When the Engine Control Module (ECM/PCM) on your Chevrolet Traverse (2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD)) logs fault code P0135, drivers commonly observe:

Check Engine Light on on Chevrolet Traverse (2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD))
Slightly increased fuel consumption on short trips on Chevrolet Traverse (2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD))
Failed state emissions inspection on Chevrolet Traverse (2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD))
Chevrolet Traverse OBD-II Port Location
The 16-pin diagnostic connector is located Driver lower kick panel to the right of brake pedal. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Chevrolet Traverse

Historical warranty claims and technical repair bulletins for Chevrolet Traverse point to the following failure distribution:

55%
Burnt-out internal heating element in upstream oxygen sensor (Chevrolet OEM Part)
25%
Blown O2 sensor heater fuse (Chevrolet OEM Part)
12%
Melted or damaged sensor wiring near exhaust manifold (Chevrolet OEM Part)
8%
Excessive circuit resistance (Chevrolet OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Chevrolet Traverse.

3. Step-by-Step DIY Repair Guide for Chevrolet Traverse

01
Check the Heater Fuse

Locate the under-hood fuse box and test the O2 sensor heater fuse with a multimeter or test light. on the Chevrolet Traverse equipped with 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD).

02
Measure Sensor Heater Resistance

Unplug the Bank 1 Sensor 1 connector and test resistance between the two heater pins (typically 3 to 15 ohms). on the Chevrolet Traverse equipped with 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD).

03
Replace Upstream O2 Sensor

Use an O2 sensor socket wrench to remove the old sensor from the exhaust manifold and install an OEM-spec replacement with anti-seize on the threads. on the Chevrolet Traverse equipped with 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD).

Recommended Parts & Testing Tools

Equipment for Diagnosing Chevrolet Traverse (P0135)

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Direct-Fit Replacement Part

Chevrolet Traverse OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Chevrolet Traverse.

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Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

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Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

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Other Common Fault Codes on Chevrolet Traverse

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Chevrolet Traverse:

4. Chevrolet Traverse P0135 FAQs

What causes code P0135 to trigger on a Chevrolet Traverse?

On the Chevrolet Traverse (2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD)), P0135 is most frequently caused by Burnt-out internal heating element in upstream oxygen sensor or Blown O2 sensor heater fuse.

Where is the OBD-II port located on my Chevrolet Traverse?

On the Chevrolet Traverse, the 16-pin DLC diagnostic connector is located Driver lower kick panel to the right of brake pedal. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Chevrolet Traverse with code P0135?

Yes, vehicle is safe to drive, but will stay in open-loop mode longer upon startup. Given that P0135 carries a Low to Medium severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.