OBD Guide
ENFRDEESPT

P1928

Fuel Additive Level Pump Control Circuit/Open

P1928 is an OBD-II diagnostic trouble code meaning: Fuel Additive Level Pump Control Circuit/Open. Common causes: open circuit in the pump control circuit, fuel additive pump malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Increased fuel consumption
  • Reduced engine power
  • Unstable engine operation at idle
  • Possible problems starting the engine

Causes

  • Open circuit in the pump control circuit
  • Fuel additive pump malfunction
  • Pump relay problems
  • Short circuit in the circuit
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the pump control circuit
  2. Check the functionality of the fuel additive pump
  3. Check relays and circuit fuses
  4. Scan the control unit for errors
  5. Replace faulty components

Related codes

P1927P1929P1930

FAQ

What does the P1928 code mean?

P1928 is an OBD-II diagnostic trouble code that indicates: Fuel Additive Level Pump Control Circuit/Open

What causes a P1928 error code?

The most common causes of P1928 include: Open circuit in the pump control circuit; Fuel additive pump malfunction; Pump relay problems; Short circuit in the circuit.

How do I fix a P1928 diagnostic trouble code?

To fix P1928: Check the integrity of the pump control circuit. Check the functionality of the fuel additive pump. Check relays and circuit fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1928?

Yes, but get it checked soon

How much does it cost to fix P1928?

The estimated repair cost for P1928 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat