OBD Guide

P26EB

Alternative Fuel Control Module System Voltage

P26EB is an OBD-II diagnostic trouble code meaning: Alternative Fuel Control Module System Voltage. Common causes: poor contact in the module connector, open or short circuit in wiring. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable operation of the engine using alternative fuel
  • Increased fuel consumption
  • Intermittent loss of power
  • Difficulty starting the engine
  • Check Engine Light Illuminates

Causes

  • Poor contact in the module connector
  • Open or short circuit in wiring
  • Alternate fuel control module malfunction
  • Module power problems
  • Contact corrosion

How to Fix

  1. Check the module supply voltage
  2. Inspect connectors and wiring for damage
  3. Clean contacts from corrosion
  4. Check module functionality
  5. Replace module if necessary

Related codes

Error P26EB by Vehicle Brand

FAQ

What does the P26EB code mean?

P26EB is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Control Module System Voltage

What causes a P26EB error code?

The most common causes of P26EB include: Poor contact in the module connector; Open or short circuit in wiring; Alternate fuel control module malfunction; Module power problems.

How do I fix a P26EB diagnostic trouble code?

To fix P26EB: Check the module supply voltage. Inspect connectors and wiring for damage. Clean contacts from corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P26EB?

Yes, but get it checked soon

How much does it cost to fix P26EB?

The estimated repair cost for P26EB is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat