OBD Guide

U016C

Lost Communication With Fuel Pump Control Module B

U016C is an OBD-II diagnostic trouble code meaning: Lost Communication With Fuel Pump Control Module B. Common causes: open or short circuit in the communication circuit, fuel pump control module b malfunction. Estimated repair cost: $28–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–167 (est.)

Symptoms

  • Check Engine light comes on
  • Possible problems starting the engine
  • Uneven engine operation
  • Reduced engine power
  • Increased fuel consumption

Causes

  • Open or short circuit in the communication circuit
  • Fuel pump control module B malfunction
  • Problems with the module connector
  • Faulty relay or fuse
  • Module power problems

How to Fix

  1. Check fuses and relays associated with the fuel system
  2. Inspect the control module connectors and wiring harness
  3. Check the continuity of the communication circuit using a multimeter
  4. Test or replace fuel pump control module B
  5. Reset the error and check if it returns

Related codes

Error U016C by Vehicle Brand

FAQ

What does the U016C code mean?

U016C is an OBD-II diagnostic trouble code that indicates: Lost Communication With Fuel Pump Control Module B

What causes a U016C error code?

The most common causes of U016C include: Open or short circuit in the communication circuit; Fuel pump control module B malfunction; Problems with the module connector; Faulty relay or fuse.

How do I fix a U016C diagnostic trouble code?

To fix U016C: Check fuses and relays associated with the fuel system. Inspect the control module connectors and wiring harness. Check the continuity of the communication circuit using a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U016C?

Limited driving only, diagnose soon

How much does it cost to fix U016C?

The estimated repair cost for U016C is $28–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat