P1616

Symptoms

• Engine won't start
• The engine stalls while driving
• Check Engine Light Is On
• No power to the fuel pump
• Unstable engine operation

Causes

• Faulty engine control relay
• Open or short circuit in the circuit
• Oxidized or corroded contacts
• Problems with the engine control unit (ECU)
• Poor circuit grounding

How to Fix

1. Check voltage at engine control relay
2. Inspect and clean relay contacts and connectors
3. Check the integrity of the wiring in the relay circuit
4. Replace engine control relay if necessary
5. Check and replace fuses if necessary

Related codes

Error P1616 by Vehicle Brand