OBD Guide

P1882

Engine Coolant Level Switch Circuit Short to Ground

P1882 is an OBD-II diagnostic trouble code meaning: Engine Coolant Level Switch Circuit Short to Ground. Common causes: damage to the wiring of the coolant level sensor, short circuit in the sensor circuit. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • Low coolant level indicator is on
  • False coolant level readings on the dashboard
  • Possible engine overheating due to incorrect readings
  • Recording a fault code in the ECU memory

Causes

  • Damage to the wiring of the coolant level sensor
  • Short circuit in the sensor circuit
  • Malfunction of the level sensor itself
  • Problems with contacts in connectors
  • Engine control unit malfunction

How to Fix

  1. Check the coolant level in the expansion tank
  2. Inspect the sensor wiring and connectors for damage
  3. Check the resistance of the coolant level sensor
  4. Check sensor circuit for short circuit
  5. If necessary, replace the coolant level sensor

Related codes

Error P1882 by Vehicle Brand

FAQ

What does the P1882 code mean?

P1882 is an OBD-II diagnostic trouble code that indicates: Engine Coolant Level Switch Circuit Short to Ground

What causes a P1882 error code?

The most common causes of P1882 include: Damage to the wiring of the coolant level sensor; Short circuit in the sensor circuit; Malfunction of the level sensor itself; Problems with contacts in connectors.

How do I fix a P1882 diagnostic trouble code?

To fix P1882: Check the coolant level in the expansion tank. Inspect the sensor wiring and connectors for damage. Check the resistance of the coolant level sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1882?

Limited driving only, diagnose soon

How much does it cost to fix P1882?

The estimated repair cost for P1882 is $6–33. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat