OBD Guide

U065E

Lost Communication With Ram Air Actuator

U065E is an OBD-II diagnostic trouble code meaning: Lost Communication With Ram Air Actuator. Common causes: open or short circuit in the drive control circuit, ram air actuator solenoid valve malfunction. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • The engine is running in emergency mode
  • Lack of response of the Ram Air system to changes in operating modes

Causes

  • Open or short circuit in the drive control circuit
  • Ram Air Actuator Solenoid Valve Malfunction
  • Wiring harness damage
  • Connector problems or contact corrosion
  • Failures in ECU software

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check power and ground at Ram Air actuator
  3. Test solenoid valve coil resistance
  4. Check the control signal from the ECU
  5. Replace Ram Air drive if necessary

Related codes

Error U065E by Vehicle Brand

FAQ

What does the U065E code mean?

U065E is an OBD-II diagnostic trouble code that indicates: Lost Communication With Ram Air Actuator

What causes a U065E error code?

The most common causes of U065E include: Open or short circuit in the drive control circuit; Ram Air Actuator Solenoid Valve Malfunction; Wiring harness damage; Connector problems or contact corrosion.

How do I fix a U065E diagnostic trouble code?

To fix U065E: Check the integrity of the wiring harness and connectors. Check power and ground at Ram Air actuator. Test solenoid valve coil resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U065E?

Yes, but get it checked soon

How much does it cost to fix U065E?

The estimated repair cost for U065E is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat