OBD Guide

P1212

Injector Control Pressure Voltage Not At Expected Level

P1212 is an OBD-II diagnostic trouble code meaning: Injector Control Pressure Voltage Not At Expected Level. Common causes: fuel pressure sensor malfunction, problems with the high pressure fuel pump. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

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

Causes

  • Fuel pressure sensor malfunction
  • Problems with the high pressure fuel pump
  • Open or short circuit in control circuit
  • Fuel pressure regulator malfunction
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the condition of the fuel pressure sensor
  2. Diagnose the high pressure fuel pump
  3. Check the integrity of the control circuit and connections
  4. Test the fuel pressure regulator
  5. If necessary, replace faulty components

Related codes

Error P1212 by Vehicle Brand

FAQ

What does the P1212 code mean?

P1212 is an OBD-II diagnostic trouble code that indicates: Injector Control Pressure Voltage Not At Expected Level

What causes a P1212 error code?

The most common causes of P1212 include: Fuel pressure sensor malfunction; Problems with the high pressure fuel pump; Open or short circuit in control circuit; Fuel pressure regulator malfunction.

How do I fix a P1212 diagnostic trouble code?

To fix P1212: Check the condition of the fuel pressure sensor. Diagnose the high pressure fuel pump. Check the integrity of the control circuit and connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1212?

Limited driving only, diagnose soon

How much does it cost to fix P1212?

The estimated repair cost for P1212 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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