OBD Guide

P05AA

Active Grille Air Shutter B Position Sensor Circuit Range/Performance

P05AA is an OBD-II diagnostic trouble code meaning: Active Grille Air Shutter B Position Sensor Circuit Range/Performance. Common causes: faulty blind position sensor section b, damaged or broken sensor wiring.

Severity
Low
Can you drive?
Do not drive — repair immediately

Symptoms

  • Check Engine Light Is On
  • Decreased fuel efficiency
  • Possible engine overheating under high load
  • The grille blinds are fixed in one position
  • Reduced aerodynamic performance

Causes

  • Faulty blind position sensor section B
  • Damaged or broken sensor wiring
  • Mechanical jamming or damage to blinds
  • Oxidation of sensor connectors
  • Blind control unit faulty

How to Fix

  1. Read all error codes and write them down
  2. Check the wiring and connector of the section B position sensor for damage and oxidation
  3. Measure the supply voltage and sensor signal with a multimeter
  4. Check the mechanical movement of the blinds manually
  5. Replace the position sensor if the readings deviate from the norm
  6. Reset the error and conduct a test drive to confirm the resolution

Related codes

Error P05AA by Vehicle Brand

FAQ

What does the P05AA code mean?

P05AA is an OBD-II diagnostic trouble code that indicates: Active Grille Air Shutter B Position Sensor Circuit Range/Performance

What causes a P05AA error code?

The most common causes of P05AA include: Faulty blind position sensor section B; Damaged or broken sensor wiring; Mechanical jamming or damage to blinds; Oxidation of sensor connectors.

How do I fix a P05AA diagnostic trouble code?

To fix P05AA: Read all error codes and write them down. Check the wiring and connector of the section B position sensor for damage and oxidation. Measure the supply voltage and sensor signal with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P05AA?

Do not drive — repair immediately

See also: Russian version · NationStat