OBD Guide
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P1920

Engine Mounting Control Solenoid Open Circuit / Short To Ground

P1920 is an OBD-II diagnostic trouble code meaning: Engine Mounting Control Solenoid Open Circuit / Short To Ground. Common causes: open or short circuit in solenoid circuit, faulty engine mount solenoid. Estimated repair cost: $17–56.

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

Symptoms

  • Increased engine vibrations
  • Rattling sounds from the engine compartment
  • Unstable operation at idle
  • Check Engine Light Illuminates
  • Deterioration in smoothness

Causes

  • Open or short circuit in solenoid circuit
  • Faulty engine mount solenoid
  • Wiring harness damage
  • Problems with the engine control unit
  • Poor contact in connectors

How to Fix

  1. Check the integrity of the wiring to the solenoid
  2. Measure the solenoid resistance (usually 10-30 ohms)
  3. Check power and ground in the control circuit
  4. Replace faulty solenoid if necessary
  5. Scan the ECU memory for other errors

Related codes

P1921P1922P1923

FAQ

What does the P1920 code mean?

P1920 is an OBD-II diagnostic trouble code that indicates: Engine Mounting Control Solenoid Open Circuit / Short To Ground

What causes a P1920 error code?

The most common causes of P1920 include: Open or short circuit in solenoid circuit; Faulty engine mount solenoid; Wiring harness damage; Problems with the engine control unit.

How do I fix a P1920 diagnostic trouble code?

To fix P1920: Check the integrity of the wiring to the solenoid. Measure the solenoid resistance (usually 10-30 ohms). Check power and ground in the control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1920?

Yes, but get it checked soon

How much does it cost to fix P1920?

The estimated repair cost for P1920 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat