OBD Guide

B3094

No Response From PCM Received

B3094 is an OBD-II diagnostic trouble code meaning: No Response From PCM Received. Common causes: engine control module (pcm) malfunction, open or short circuit in wiring harness. Estimated repair cost: $56โ€“333.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“333 (est.)

Symptoms

  • Check Engine light comes on
  • Switching other systems into emergency mode
  • Loss of power or incorrect engine operation
  • Problems starting the engine

Causes

  • Engine control module (PCM) malfunction
  • Open or short circuit in wiring harness
  • PCM power or ground problems
  • Damage to the CAN bus
  • Corrosion of connectors

How to Fix

  1. Check PCM power and ground
  2. Inspect the wiring harness for damage
  3. Check the integrity of the CAN bus
  4. Scan all modules for additional errors
  5. Replace PCM if necessary

Related codes

Error B3094 by Vehicle Brand

FAQ

What does the B3094 code mean?

B3094 is an OBD-II diagnostic trouble code that indicates: No Response From PCM Received

What causes a B3094 error code?

The most common causes of B3094 include: Engine control module (PCM) malfunction; Open or short circuit in wiring harness; PCM power or ground problems; Damage to the CAN bus.

How do I fix a B3094 diagnostic trouble code?

To fix B3094: Check PCM power and ground. Inspect the wiring harness for damage. Check the integrity of the CAN bus. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3094?

Do not drive โ€” repair immediately

How much does it cost to fix B3094?

The estimated repair cost for B3094 is $56โ€“333. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat