OBD Guide

P00BC

Mass or Volume Air Flow A Circuit Range/Performance - Air Flow Too Low

P00BC is an OBD-II diagnostic trouble code meaning: Mass or Volume Air Flow A Circuit Range/Performance - Air Flow Too Low. Common causes: dmrv malfunction, open or shorted wiring harness. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Dips during acceleration

Causes

  • DMRV malfunction
  • Open or shorted wiring harness
  • Dirty air filter
  • Air leak in the intake tract
  • Problems with the MAF connector
  • ECU malfunction

How to Fix

  1. Check the condition of the air filter
  2. Inspect the intake tract for leaks
  3. Check the connection of the mass air flow sensor connector
  4. Test the mass air flow sensor with a multimeter or scanner
  5. Check the resistance and integrity of the wires to the mass air flow sensor
  6. If necessary, replace the mass air flow sensor

Related codes

Error P00BC by Vehicle Brand

FAQ

What does the P00BC code mean?

P00BC is an OBD-II diagnostic trouble code that indicates: Mass or Volume Air Flow A Circuit Range/Performance - Air Flow Too Low

What causes a P00BC error code?

The most common causes of P00BC include: DMRV malfunction; Open or shorted wiring harness; Dirty air filter; Air leak in the intake tract.

How do I fix a P00BC diagnostic trouble code?

To fix P00BC: Check the condition of the air filter. Inspect the intake tract for leaks. Check the connection of the mass air flow sensor connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P00BC?

Limited driving only, diagnose soon

How much does it cost to fix P00BC?

The estimated repair cost for P00BC is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat