AutoCodes – Generic – P1212

P1212 Code - Injector Control Pressure Voltage Not At Expected Level

Quick Answer

The Powertrain Control Module (PCM) monitors the Injector Control Pressure Voltage. Common causes include Empty/Low Oil Reservoir, Faulty Injection Pressure Regulator Valve, Injection Pressure Regulator Valve harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1212 indicates Injector Control Pressure Voltage Not At Expected Level.
Common causes: Common causes include Empty/Low Oil Reservoir, Faulty Injection Pressure Regulator Valve, Injection Pressure Regulator Valve harness is open or shorted.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 59,192

How popular is this code, among other codes? Medium

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1212 Description

The Powertrain Control Module (PCM) monitors the Injector Control Pressure Voltage. This Diagnostic Trouble Code (DTC) indicates that there was no Injection Control Pressure (ICP) present during cranking.

OBDII Code P1212 - Injector Control Pressure Voltage Not At Expected Level - AutoCodes.com — P1212 Code - Injector Control Pressure Voltage Not At Expected Level

What does this mean?

What are the Possible Causes of the DTC P1212?

Empty/Low Oil Reservoir
Faulty Injection Pressure Regulator Valve
Injection Pressure Regulator Valve harness is open or shorted
Injection Pressure Regulator Valve circuit poor electrical connection
Faulty Injection Control Pressure (ICP) Sensor
Faulty High-Pressure Oil Pump

How to Fix the DTC P1212?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1212 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1212 code?

Need more information on how to fix the P1212 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1212 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1212 Buick — Mass Air Flow Circuit Intermittent Low
P1212 Cadillac — Mass Air Flow Circuit Intermittent Low
P1212 Chevrolet — Mass Air Flow Circuit Intermittent Low
P1212 Ford — Injector Control Pressure Voltage Not At Expected Level
P1212 GMC — Mass Air Flow Circuit Intermittent Low
P1212 Infiniti — ABS/TCS Communication Line
P1212 Nissan — ABS/TCS Communication Line

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1212 Code

1. What are the common symptoms of OBDII code P1212 (Injector Control Pressure Voltage Not At Expected Level)?

- Common symptoms include rough idle, loss of power, poor fuel efficiency, and in some cases, the vehicle may go into limp mode.

2. What are the possible causes of OBDII code P1212?

- The code P1212 can be triggered by issues such as a faulty high-pressure oil pump, a malfunctioning ICP sensor, wiring issues, or a failing PCM.

3. How can I diagnose the cause of OBDII code P1212?

- To diagnose the code P1212, you can perform a visual inspection of the wiring, test the ICP sensor, check the high-pressure oil pump, and use a scan tool to monitor live data.

4. Can a dirty or clogged fuel filter trigger code P1212?

- While a dirty or clogged fuel filter can cause performance issues, it is not a direct cause of code P1212, which specifically relates to injector control pressure voltage.

5. What are some repair tips for resolving OBDII code P1212?

- Repair tips include checking and replacing the ICP sensor if faulty, inspecting and possibly replacing the high-pressure oil pump, ensuring proper wiring connections, and performing a thorough system reset.

6. Is it safe to continue driving with OBDII code P1212 present?

- It is not recommended to continue driving with code P1212 as it can lead to further engine damage or potential safety hazards. It's best to address the issue promptly.

7. Can a DIY enthusiast fix OBDII code P1212 at home?

- Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and fix code P1212 at home. However, complex issues may require professional assistance.

8. How much does it typically cost to repair OBDII code P1212?

- The cost of repairing code P1212 can vary depending on the underlying cause, parts needed, and labor rates. It's advisable to get multiple quotes from reputable mechanics.

9. Will resetting the OBDII code P1212 make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not fixed, the code is likely to reappear after driving a short distance.

10. Can OBDII code P1212 affect the overall performance of the vehicle?

- Yes, code P1212 can significantly impact the vehicle's performance, leading to issues such as rough running, decreased power, and poor fuel economy.