OBD Guide
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P1561

Brake Line Pressure Sensor Circuit

P1561 is an OBD-II diagnostic trouble code meaning: Brake Line Pressure Sensor Circuit . Common causes: open or short circuit in the sensor circuit, malfunction of the pressure sensor itself. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Incorrect operation of ABS or ESP
  • Reduced braking performance
  • Unusual behavior of the brake pedal

Causes

  • Open or short circuit in the sensor circuit
  • Malfunction of the pressure sensor itself
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Problems with the control unit

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for corrosion
  3. Check sensor resistance
  4. Replace pressure sensor if necessary
  5. Scan the system for other fault codes

Related codes

P1560P1562

Error P1561 by Vehicle Brand

BuickCadillacChevroletChryslerGMGMCOldsmobileSaturnVolkswagen

FAQ

What does the P1561 code mean?

P1561 is an OBD-II diagnostic trouble code that indicates: Brake Line Pressure Sensor Circuit

What causes a P1561 error code?

The most common causes of P1561 include: Open or short circuit in the sensor circuit; Malfunction of the pressure sensor itself; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P1561 diagnostic trouble code?

To fix P1561: Check the integrity of the sensor circuit. Inspect connectors and contacts for corrosion. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1561?

Limited driving only, diagnose soon

How much does it cost to fix P1561?

The estimated repair cost for P1561 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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