OBD Guide

P2AAE

Diesel Fuel Presence Sensor Circuit Low

P2AAE is an OBD-II diagnostic trouble code meaning: Diesel Fuel Presence Sensor Circuit Low. Common causes: malfunction of the diesel fuel sensor, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Problems starting the engine

Causes

  • Malfunction of the diesel fuel sensor
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with the engine control unit
  • Corrosion of contacts or wiring

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Check the resistance and voltage at the sensor
  3. Replace the diesel fuel sensor if necessary
  4. Check and clean contacts in connectors
  5. Scan the control unit for other errors

Related codes

Error P2AAE by Vehicle Brand

FAQ

What does the P2AAE code mean?

P2AAE is an OBD-II diagnostic trouble code that indicates: Diesel Fuel Presence Sensor Circuit Low

What causes a P2AAE error code?

The most common causes of P2AAE include: Malfunction of the diesel fuel sensor; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the engine control unit.

How do I fix a P2AAE diagnostic trouble code?

To fix P2AAE: Check the integrity of the sensor wiring and connectors. Check the resistance and voltage at the sensor. Replace the diesel fuel sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2AAE?

Yes, but get it checked soon

How much does it cost to fix P2AAE?

The estimated repair cost for P2AAE is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat