Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2)
The P2035 code means the vehicle's onboard diagnostic system has detected: Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2). This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- moderate
- Estimated cost
- $150 - $400 (parts and labor)
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Common Symptoms
- Check Engine Light illuminated
- Incorrect exhaust temperature readings
- DPF regeneration failures
- Possible boost limitation
- Increased fuel consumption
Probable Causes (Ranked by Likelihood)
- Short to ground in Sensor 2 EGT circuit Very High
- Failed EGT Sensor 2 reading low High
- Moisture in sensor connector Moderate
- Corroded or broken wiring Moderate
- PCM input fault Low
Step-by-Step Diagnostic Procedure
-
Confirm P2035 and check freeze frame data
-
Compare EGT Sensor 2 reading to Sensor 1 during warm-up
-
Inspect connector and wiring for corrosion or moisture
-
Measure sensor resistance and compare to specifications
Frequently Asked Questions
What does P2035 mean?
P2035 indicates the Bank 1 Sensor 2 exhaust gas temperature sensor is reading below the expected temperature, usually from a short to ground or failed sensor.
Can I drive with a P2035 code?
You can drive short distances, but diesel DPF regeneration may be affected, which can lead to a clogged DPF if not repaired.
How much does it cost to fix P2035?
Repairs typically cost $150 to $400 for sensor replacement or wiring repair.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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