OBD Guide

P1297

No Change In MAP Sensor Voltage

P1297 is an OBD-II diagnostic trouble code meaning: No Change In MAP Sensor Voltage. Common causes: malfunction of the absolute pressure sensor (dbp), open or short circuit in the dbp 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 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

FAQ

What does the P1297 code mean?

P1297 is an OBD-II diagnostic trouble code that indicates: No Change In MAP Sensor Voltage

What causes a P1297 error code?

The most common causes of P1297 include: 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.

How do I fix a P1297 diagnostic trouble code?

To fix P1297: Check the integrity and connections of the DBP vacuum hose. Check the voltage and resistance of the sensor according to the specification. Inspect the connector and wiring harness for damage.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1297?

Yes, but get it checked soon

How much does it cost to fix P1297?

The estimated repair cost for P1297 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat