Error code

OBD2 P2035

OBD2P2035
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Exhaust Gas Temperature Sensor Circuit Low.

Severity

moderateCan drive, but monitor for any changes in performance or warning lights.

Summary

P2035 indicates a low signal voltage from Exhaust Gas Temperature (EGT) sensor 2 on bank 2. This sensor monitors exhaust gas temperature downstream of the catalytic converter.

Symptoms

  • Illuminated warning light
  • Stored trouble code

Common Causes

  • Damaged, burnt, shorted, disconnected, or corroded wiring and/or connectors
  • Defective Exhaust Gas Temperature sensor
  • Unauthorized aftermarket exhaust systems/parts that decrease exhaust back pressure
  • Large exhaust leaks upstream of the EGT sensor
  • Failed or failing PCM (rare)

Diagnosis

  1. Record all fault codes and freeze frame data.
  2. Locate the EGT sensor and associated wiring.
  3. Inspect wiring for damage; repair as needed.
  4. Check reference voltage and ground connection.
  5. Test sensor resistance and signal voltage.
  6. Replace sensor if faulty or fouled.

Fixes

  • Repair damaged wiring, replace defective EGT sensor.

FAQ

Why is the code P2035 set?

The PCM detects a lower than expected signal voltage from the EGT sensor.

What can cause this issue?

Common causes include wiring issues, defective sensors, and aftermarket exhaust systems that affect back pressure.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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