OBD Guide

C1150

Switch-Over Solenoid Valve Line HSV

C1150 is an OBD-II diagnostic trouble code meaning: Switch-Over Solenoid Valve Line HSV. Common causes: open or short circuit in solenoid circuit, poor contact in the connector. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect gear shifting
  • Power Loss
  • Check Engine Light Illuminates
  • Switching to emergency mode

Causes

  • Open or short circuit in solenoid circuit
  • Poor contact in the connector
  • Solenoid jammed
  • Hydraulic fluid contamination
  • Control unit malfunction

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check the solenoid resistance (compare with the norm)
  3. Clean or replace solenoid
  4. Check the hydraulic system for leaks and contamination
  5. Replace hydraulic fluid if necessary
  6. Check the operation of the control unit

Related codes

FAQ

What does the C1150 code mean?

C1150 is an OBD-II diagnostic trouble code that indicates: Switch-Over Solenoid Valve Line HSV

What causes a C1150 error code?

The most common causes of C1150 include: Open or short circuit in solenoid circuit; Poor contact in the connector; Solenoid jammed; Hydraulic fluid contamination.

How do I fix a C1150 diagnostic trouble code?

To fix C1150: Check the integrity of the wiring harness and connectors. Check the solenoid resistance (compare with the norm). Clean or replace solenoid. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1150?

Limited driving only, diagnose soon

How much does it cost to fix C1150?

The estimated repair cost for C1150 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat