OBD Guide

P1103

MAP Sensor High Voltage

P1103 is an OBD-II diagnostic trouble code meaning: MAP Sensor High Voltage. Common causes: map 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

  • Unstable engine idling
  • Increased fuel consumption
  • Loss of engine power
  • Difficulty starting the engine
  • Check Engine Light Is On

Causes

  • MAP sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • ECU malfunction
  • Circuit Grounding Problems

How to Fix

  1. Check the continuity and voltage in the MAP sensor circuit
  2. Inspect the sensor connector for damage or corrosion.
  3. Check the functionality of the MAP sensor
  4. Replace MAP sensor if necessary
  5. Check and, if necessary, replace the computer

Related codes

Error P1103 by Vehicle Brand

FAQ

What does the P1103 code mean?

P1103 is an OBD-II diagnostic trouble code that indicates: MAP Sensor High Voltage

What causes a P1103 error code?

The most common causes of P1103 include: MAP sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; ECU malfunction.

How do I fix a P1103 diagnostic trouble code?

To fix P1103: Check the continuity and voltage in the MAP sensor circuit. Inspect the sensor connector for damage or corrosion.. Check the functionality of the MAP sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1103?

Yes, but get it checked soon

How much does it cost to fix P1103?

The estimated repair cost for P1103 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat