OBD Guide

P159D

G Sensor Circuit High Input

P159D is an OBD-II diagnostic trouble code meaning: G Sensor Circuit High Input. Common causes: g-sensor malfunction, short circuit in the sensor circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Disabling the stabilization system
  • Incorrect operation of the adaptive suspension
  • Errors in related systems

Causes

  • G-sensor malfunction
  • Short circuit in the sensor circuit
  • Broken or damaged wiring
  • Problems with connectors
  • ECU malfunction

How to Fix

  1. Check the integrity of wiring and connectors
  2. Measure resistance and voltage at the sensor
  3. Check reference voltage and circuit ground
  4. Replace G-sensor if necessary
  5. Scan adjacent systems for errors

Related codes

FAQ

What does the P159D code mean?

P159D is an OBD-II diagnostic trouble code that indicates: G Sensor Circuit High Input

What causes a P159D error code?

The most common causes of P159D include: G-sensor malfunction; Short circuit in the sensor circuit; Broken or damaged wiring; Problems with connectors.

How do I fix a P159D diagnostic trouble code?

To fix P159D: Check the integrity of wiring and connectors. Measure resistance and voltage at the sensor. Check reference voltage and circuit ground. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P159D?

Limited driving only, diagnose soon

How much does it cost to fix P159D?

The estimated repair cost for P159D is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat