P2155

Fuel Injector Group D Supply Voltage Circuit/Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–89 (est.)

Symptoms

Unstable engine operation
Power dips
Increased fuel consumption
Check Engine Light Is On
Difficulty starting

Causes

Broken injector power wire
Wiring harness damage
Faulty injector relay
Oxidation of contacts
Problems with the engine control unit

How to Fix

Check the integrity of the injector power wires
Check injector relays and fuses
Test the resistance in the circuit
Check connector contacts
Diagnose the engine control unit

Related codes

P2156 P2157 P2158