OBD Guide

P1473

EVAP Control System LDP Open Circuit

P1473 is an OBD-II diagnostic trouble code meaning: EVAP Control System LDP Open Circuit. Common causes: broken wire to ldp pump, damaged ldp pump connector. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Increased fuel consumption
  • Unstable engine idling
  • Unpleasant smell of gasoline
  • Error when checking the EVAP system

Causes

  • Broken wire to LDP pump
  • Damaged LDP pump connector
  • LDP pump relay fault
  • Blown LDP circuit fuse
  • Malfunction of the LDP pump itself

How to Fix

  1. Check LDP circuit fuse
  2. Inspect the LDP pump connector and wires for damage.
  3. Check LDP pump winding resistance
  4. Check the voltage at the LDP pump connector with the ignition on
  5. Replace LDP pump if necessary

Related codes

Error P1473 by Vehicle Brand

FAQ

What does the P1473 code mean?

P1473 is an OBD-II diagnostic trouble code that indicates: EVAP Control System LDP Open Circuit

What causes a P1473 error code?

The most common causes of P1473 include: Broken wire to LDP pump; Damaged LDP pump connector; LDP pump relay fault; Blown LDP circuit fuse.

How do I fix a P1473 diagnostic trouble code?

To fix P1473: Check LDP circuit fuse. Inspect the LDP pump connector and wires for damage.. Check LDP pump winding resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1473?

Yes, but get it checked soon

How much does it cost to fix P1473?

The estimated repair cost for P1473 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat