OBD Guide

P047D

Exhaust Pressure Sensor B Circuit High

P047D is an OBD-II diagnostic trouble code meaning: Exhaust Pressure Sensor B Circuit High. Common causes: exhaust gas pressure sensor b malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Deteriorating fuel economy
  • Unstable engine idling

Causes

  • Exhaust gas pressure sensor B malfunction
  • Open or short circuit in wiring harness
  • Poor contact in the sensor connector
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the integrity of the wiring harness and sensor connector
  2. Check resistance and signal of exhaust gas pressure sensor B
  3. Replace sensor if necessary
  4. Check and, if necessary, reflash the ECU

Related codes

Error P047D by Vehicle Brand

FAQ

What does the P047D code mean?

P047D is an OBD-II diagnostic trouble code that indicates: Exhaust Pressure Sensor B Circuit High

What causes a P047D error code?

The most common causes of P047D include: Exhaust gas pressure sensor B malfunction; Open or short circuit in wiring harness; Poor contact in the sensor connector; Engine control unit (ECU) malfunction.

How do I fix a P047D diagnostic trouble code?

To fix P047D: Check the integrity of the wiring harness and sensor connector. Check resistance and signal of exhaust gas pressure sensor B. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P047D?

Limited driving only, diagnose soon

How much does it cost to fix P047D?

The estimated repair cost for P047D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat