P2080

Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 1

Exhaust / emissions Generic OBD-II Low

What it means

P2080 means the exhaust gas temperature sensor at bank 1, sensor 1 is reporting a temperature that is implausible or out of its expected range. It's usually a sensor, wiring, or connector fault. The engine still runs normally, but on diesels the reading is used to manage particulate-filter regeneration, so it should be repaired.

Low

Can I keep driving? Safe to drive; the engine runs normally, though on diesels it can affect DPF regeneration and emissions over time.

Real-world scan data

Seen in

376

scans in the past year

Found in

0.1%

of scans

0.1%

of scans that found faults

Appears alongside · share of P2080 scans

P2002in 41.0% of scans

P0380in 40.4% of scans

P2263in 37.5% of scans

Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.

Common symptoms

What you'll notice

Check-engine light on
No obvious change in how the engine runs
Possible incomplete DPF regeneration (on diesels)

Common causes

Most likely first

Faulty exhaust gas temperature (EGT) sensor, bank 1 sensor 1Likely
Open or shorted wiring in the EGT sensor circuitCommon
Corroded or loose sensor connectorCommon
Exhaust leak near the sensor skewing its readingLess often

How to diagnose & fix

Work through it in order

Read freeze-frame data and inspect the EGT sensor wiring and connector for damage or corrosion.
Compare the sensor's live temperature against other EGT sensors and coolant temp at cold start; a large mismatch points to the sensor.
Check for exhaust leaks near the sensor that could throw off its reading.
Replace the EGT sensor if it reads implausibly with good wiring.

FAQ

Quick answers

Is it safe to drive with P2080?+

Yes. This is a temperature-sensor performance fault, so the engine runs normally. On diesels, though, it can interfere with particulate-filter regeneration, so repair it before soot builds up.

Can I just clear P2080?+

It will return until the sensor or wiring is repaired — clearing does not fix the circuit.

Read & clear P2080 yourself

Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.

▶ Get it on Google Play

✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX