OBD Guide
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P1550

Battery Current Sensor Circuit Range/Performance

P1550 is an OBD-II diagnostic trouble code meaning: Battery Current Sensor Circuit Range/Performance. Common causes: battery current sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Incorrect voltage readings on the dashboard
  • Battery charging problems
  • Reduced engine performance
  • Errors in the operation of the start-stop system

Causes

  • Battery current sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Wiring harness damage
  • ECM problems

How to Fix

  1. Check the continuity of the current sensor circuit
  2. Inspect the connectors and contacts of the sensor
  3. Check the functionality of the current sensor
  4. Scan the ECM for other errors
  5. If necessary, replace the battery current sensor

Related codes

P1549P1551P1552

Error P1550 by Vehicle Brand

BMWFordLincolnMercuryNissanVolkswagen

FAQ

What does the P1550 code mean?

P1550 is an OBD-II diagnostic trouble code that indicates: Battery Current Sensor Circuit Range/Performance

What causes a P1550 error code?

The most common causes of P1550 include: Battery current sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Wiring harness damage.

How do I fix a P1550 diagnostic trouble code?

To fix P1550: Check the continuity of the current sensor circuit. Inspect the connectors and contacts of the sensor. Check the functionality of the current sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1550?

Yes, but get it checked soon

How much does it cost to fix P1550?

The estimated repair cost for P1550 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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