OBD Guide

P2D94

Starter/Generator Phase Z Current Sensor Circuit High

P2D94 is an OBD-II diagnostic trouble code meaning: Starter/Generator Phase Z Current Sensor Circuit High. Common causes: phase z current sensor fault, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Difficulty starting the engine
  • Check Engine Light Is On
  • Reduced battery charging efficiency
  • Rough engine operation when starting
  • Activation of emergency operation

Causes

  • Phase Z current sensor fault
  • Open or short circuit in the sensor circuit
  • Wiring Harness Problems
  • Starter-generator module malfunction
  • Poor contact in connectors

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check resistance and sensor signal
  3. Inspect connectors and contacts for oxidation
  4. If necessary, replace the current sensor
  5. Check the operation of the starter-generator module

Related codes

Error P2D94 by Vehicle Brand

FAQ

What does the P2D94 code mean?

P2D94 is an OBD-II diagnostic trouble code that indicates: Starter/Generator Phase Z Current Sensor Circuit High

What causes a P2D94 error code?

The most common causes of P2D94 include: Phase Z current sensor fault; Open or short circuit in the sensor circuit; Wiring Harness Problems; Starter-generator module malfunction.

How do I fix a P2D94 diagnostic trouble code?

To fix P2D94: Check the integrity of the sensor circuit. Check resistance and sensor signal. Inspect connectors and contacts for oxidation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2D94?

Limited driving only, diagnose soon

How much does it cost to fix P2D94?

The estimated repair cost for P2D94 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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