OBD Guide
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C1159

Hydraulic Fluid Pressure/ Flow Circuit Short to Gnd

C1159 is an OBD-II diagnostic trouble code meaning: Hydraulic Fluid Pressure/ Flow Circuit Short to Gnd. Common causes: wiring harness damage, pressure or flow sensor malfunction. Estimated repair cost: $111–333.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$111–333 (est.)

Symptoms

  • ABS/ESP indicator is on
  • Unstable operation of the brake system
  • ESP system does not respond

Causes

  • Wiring harness damage
  • Pressure or flow sensor malfunction
  • Short circuit in the hydraulic unit
  • Open or short circuit in power supply

How to Fix

  1. Check the wiring harness for *ದರ**.
  2. Check the resistance of the pressure/flow sensor.
  3. Diagnose the hydraulic unit for damage.

Related codes

C1158C1160

FAQ

What does the C1159 code mean?

C1159 is an OBD-II diagnostic trouble code that indicates: Hydraulic Fluid Pressure/ Flow Circuit Short to Gnd

What causes a C1159 error code?

The most common causes of C1159 include: Wiring harness damage; Pressure or flow sensor malfunction; Short circuit in the hydraulic unit; Open or short circuit in power supply.

How do I fix a C1159 diagnostic trouble code?

To fix C1159: Check the wiring harness for *ದರ**.. Check the resistance of the pressure/flow sensor.. Diagnose the hydraulic unit for damage.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1159?

Limited driving only, diagnose soon

How much does it cost to fix C1159?

The estimated repair cost for C1159 is $111–333. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat