U016C

Lost Communication With Fuel Pump Control Module B

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

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
Test or replace fuel pump control module B
Reset the error and check if it returns

Related codes

U016B U016D U016E