OBD Guide
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C1772

Air Suspension Vent Solenoid Output Circuit Short To Battery

C1772 is an OBD-II diagnostic trouble code meaning: Air Suspension Vent Solenoid Output Circuit Short To Battery. Common causes: wiring harness damage, purge solenoid malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of the air suspension
  • Suspension fault indicator is on
  • The vehicle may sag or rise unevenly

Causes

  • Wiring harness damage
  • Purge solenoid malfunction
  • Problems in the air suspension control unit
  • Short circuit in the circuit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check purge solenoid resistance
  3. Check power and ground in the circuit
  4. Replace faulty solenoid or wiring harness
  5. Reset the error and check the system operation

Related codes

C1770C1771C1773

FAQ

What does the C1772 code mean?

C1772 is an OBD-II diagnostic trouble code that indicates: Air Suspension Vent Solenoid Output Circuit Short To Battery

What causes a C1772 error code?

The most common causes of C1772 include: Wiring harness damage; Purge solenoid malfunction; Problems in the air suspension control unit; Short circuit in the circuit.

How do I fix a C1772 diagnostic trouble code?

To fix C1772: Check the integrity of the wiring harness. Check purge solenoid resistance. Check power and ground in the circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1772?

Limited driving only, diagnose soon

How much does it cost to fix C1772?

The estimated repair cost for C1772 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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