OBD Guide

P2242

O2 Sensor Positive Current Control Circuit High Bank 2 Sensor 1

P2242 is an OBD-II diagnostic trouble code meaning: O2 Sensor Positive Current Control Circuit High Bank 2 Sensor 1. Common causes: oxygen sensor malfunction, open or short circuit in control circuit. 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
  • Increased fuel consumption
  • Reduced engine power
  • Unstable engine operation at idle
  • Possible misfires

Causes

  • Oxygen sensor malfunction
  • Open or short circuit in control circuit
  • Poor contact in sensor connectors
  • Wiring Harness Problems
  • Engine control module malfunction

How to Fix

  1. Check the integrity of the sensor control circuit
  2. Inspect connectors and wires for damage
  3. Check sensor resistance and voltage
  4. Replace the faulty oxygen sensor if necessary
  5. Test the operation of the system after repair

Related codes

Error P2242 by Vehicle Brand

FAQ

What does the P2242 code mean?

P2242 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Positive Current Control Circuit High Bank 2 Sensor 1

What causes a P2242 error code?

The most common causes of P2242 include: Oxygen sensor malfunction; Open or short circuit in control circuit; Poor contact in sensor connectors; Wiring Harness Problems.

How do I fix a P2242 diagnostic trouble code?

To fix P2242: Check the integrity of the sensor control circuit. Inspect connectors and wires for damage. Check sensor resistance and voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2242?

Yes, but get it checked soon

How much does it cost to fix P2242?

The estimated repair cost for P2242 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat