P05AB
Active Grille Air Shutter B Position Sensor Circuit High
P05AB is an OBD-II diagnostic trouble code meaning: Active Grille Air Shutter B Position Sensor Circuit High. Common causes: short circuit of the sensor signal wire to supply voltage, internal position sensor fault.
Symptoms
- Check Engine Light Is On
- The grille blinds are fixed in one position
- Decreased fuel efficiency
- Possible overheating during prolonged use
- Disabling the active blind system
Causes
- Short circuit of the sensor signal wire to supply voltage
- Internal position sensor fault
- Sensor ground wire break
- Damage to wiring insulation
- Blind control unit faulty
How to Fix
- Read error codes and check for related codes
- Disconnect the sensor connector and measure the voltage on the signal wire (should be about 0 V without sensor)
- Check the resistance and integrity of the wiring between the sensor and the ECU
- Check the integrity of the sensor ground wire
- Replace the position sensor if the wiring is OK
- Clear error codes and test drive
Related codes
Error P05AB by Vehicle Brand
FAQ
What does the P05AB code mean?
P05AB is an OBD-II diagnostic trouble code that indicates: Active Grille Air Shutter B Position Sensor Circuit High
What causes a P05AB error code?
The most common causes of P05AB include: Short circuit of the sensor signal wire to supply voltage; Internal position sensor fault; Sensor ground wire break; Damage to wiring insulation.
How do I fix a P05AB diagnostic trouble code?
To fix P05AB: Read error codes and check for related codes. Disconnect the sensor connector and measure the voltage on the signal wire (should be about 0 V without sensor). Check the resistance and integrity of the wiring between the sensor and the ECU. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P05AB?
Do not drive — repair immediately
See also: Russian version · NationStat