P2476
Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 4
Exhaust / emissions
Generic OBD-II
Medium
What it means
P2476 means the exhaust-gas-temperature sensor at bank 2, sensor 4 is reporting an abnormally high (or open-circuit) signal. These sensors let the ECU protect the catalyst and manage particulate-filter regeneration, so the fault is a sensor or wiring problem — it does not stop the engine running.
Medium
Can I keep driving? Usually still drivable, but a bad exhaust-temperature signal can disable filter regeneration or trigger limp mode on some diesels — repair it before soot builds up.
Common symptoms
What you'll notice
- Check-engine light on
- Diesel particulate filter regeneration disabled on some vehicles
- Possible reduced power or limp mode
- Often no noticeable change in how the vehicle drives
Common causes
Most likely first
- Faulty exhaust-gas-temperature (EGT) sensor for bank 2, sensor 4Likely
- Open or short-to-voltage in the EGT sensor wiringCommon
- Corroded or loose sensor connectorCommon
- High resistance from heat-damaged wiring near the exhaustLess often
How to diagnose & fix
Work through it in order
- Read freeze-frame and check the live EGT sensor value against the others for a stuck-high or open reading.
- Inspect the sensor connector and harness near the exhaust for heat damage, corrosion, or a loose pin.
- Measure the signal and ground circuits for an open or short to voltage.
- Compare sensor resistance to spec; replace the EGT sensor if out of range.
- Clear the code and confirm the reading returns to normal after a drive.
FAQ
Quick answers
Is it safe to drive with P2476?+
Short term usually yes, but on many diesels a faulty EGT signal blocks DPF regeneration, so the filter slowly clogs. Fix it before that turns into a restriction code.
Can I just clear P2476?+
It comes back as soon as the ECU sees the same high or open signal. The sensor or its wiring needs repair first.
Related codes
Often seen with P2476
Read & clear P2476 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.
✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX