OBD Guide

P1297

No Change In MAP Sensor Voltage

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

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Power Loss
  • Check Engine Light Is On
  • Problems starting the engine

Causes

  • Malfunction of the absolute pressure sensor (DBP)
  • Open or short circuit in the DBP circuit
  • Poor contact in DBP connector
  • DBP vacuum hose is dirty or damaged
  • ECU malfunction

How to Fix

  1. Check the integrity and connections of the DBP vacuum hose
  2. Check the voltage and resistance of the sensor according to the specification
  3. Inspect the connector and wiring harness for damage.
  4. Replace the absolute pressure sensor if necessary
  5. Check and, if necessary, replace the computer

Related codes

Error P1297 by Vehicle Brand