OBD Guide

C0074

Requested Driving Torque

C0074 is an OBD-II diagnostic trouble code meaning: Requested Driving Torque. Common causes: malfunction of sensors (mass air flow sensor, throttle position sensor, knock sensor), wiring harness problems. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Unstable engine operation
  • Check engine light comes on
  • Gear shifting problems

Causes

  • Malfunction of sensors (mass air flow sensor, throttle position sensor, knock sensor)
  • Wiring Harness Problems
  • ECU malfunction
  • Software errors in the engine control system

How to Fix

  1. Check error codes and sensor data using an OBD-II scanner
  2. Inspect the wiring harness for damage
  3. Check the operation of the sensors (mass air flow sensor, throttle position sensor, knock sensor)
  4. If necessary, update the ECU software
  5. Replace faulty components

Related codes

Error C0074 by Vehicle Brand

FAQ

What does the C0074 code mean?

C0074 is an OBD-II diagnostic trouble code that indicates: Requested Driving Torque

What causes a C0074 error code?

The most common causes of C0074 include: Malfunction of sensors (mass air flow sensor, throttle position sensor, knock sensor); Wiring Harness Problems; ECU malfunction; Software errors in the engine control system.

How do I fix a C0074 diagnostic trouble code?

To fix C0074: Check error codes and sensor data using an OBD-II scanner. Inspect the wiring harness for damage. Check the operation of the sensors (mass air flow sensor, throttle position sensor, knock sensor). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0074?

Limited driving only, diagnose soon

How much does it cost to fix C0074?

The estimated repair cost for C0074 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat