OBD Guide

U3007

Control Module Input Power B Circuit/Open

U3007 is an OBD-II diagnostic trouble code meaning: Control Module Input Power B Circuit/Open. Common causes: broken wire in the power circuit, oxidation or damage to connectors. Estimated repair cost: $6–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–167 (est.)

Symptoms

  • Unstable operation of electronic systems
  • Check Engine Light Illuminates
  • Malfunctions of the control module
  • Lost connection with diagnostic equipment

Causes

  • Broken wire in the power circuit
  • Oxidation or damage to connectors
  • Control module malfunction
  • Blown fuse
  • Problems with the power relay

How to Fix

  1. Check the integrity of the fuses
  2. Inspect connectors and contacts for damage
  3. Check the power circuit for breaks
  4. Check the voltage at the module terminals
  5. If necessary, replace the control module

Related codes

Error U3007 by Vehicle Brand

FAQ

What does the U3007 code mean?

U3007 is an OBD-II diagnostic trouble code that indicates: Control Module Input Power B Circuit/Open

What causes a U3007 error code?

The most common causes of U3007 include: Broken wire in the power circuit; Oxidation or damage to connectors; Control module malfunction; Blown fuse.

How do I fix a U3007 diagnostic trouble code?

To fix U3007: Check the integrity of the fuses. Inspect connectors and contacts for damage. Check the power circuit for breaks. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U3007?

Limited driving only, diagnose soon

How much does it cost to fix U3007?

The estimated repair cost for U3007 is $6–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat