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Engine Fault Code P2060

Reductant Injection Air Pump Control Circuit Low

Care Engine Code Reader
The Engine Fault Code P2060 generally refers to an issue with the reductant injection air pump control circuit, specifically indicating a low voltage or a malfunction in the circuit. This code is often associated with diesel vehicles that use a selective catalytic reduction (SCR) system to reduce emissions. The reductant injection air pump helps inject a urea solution (often called DEF or diesel exhaust fluid) into the exhaust stream to help reduce nitrogen oxides (NOx).

Heres a breakdown of what this code might mean:

1. Low Voltage: The control circuit is receiving lower voltage than required, which may indicate a wiring issue, a faulty pump, or a problem with the control module.

2. Faulty Pump: The reductant injection air pump itself may be malfunctioning or not operating at all.

3. Wiring Issues: There could be damaged or corroded wires in the circuit that are preventing proper power flow.

4. Control Module Problems: The engine control module (ECM) or powertrain control module (PCM) may have a fault that affects the pump`s operation.

Manufacturer Variations
While P2060 generally has the same meaning across many vehicles, there can be slight variations in how different manufacturers interpret or implement this code. Here are some potential differences:

Porsche: Similar issue with SCR systems; may also include additional codes related to the exhaust system.
Mini: May refer to similar issues but could be paired with other codes related to the engine management system.
Mercedes: Often relates to their BlueTEC systems; may have additional diagnostics for other components.
Audi: Similar to VW systems; may have specific adaptations in the software that could lead to different fault codes.
Jaguar: May include more complex diagnostics related to their specific SCR systems.
Land Rover: Similar to Jaguar, with possible additional codes for off-road or towing capabilities.

In all cases, it`s important to consult the specific vehicle`s service manual or a diagnostic tool for precise troubleshooting steps, as the exact nature of the problem can vary. If you encounter this code, it`s a good idea to check the wiring and connections first, and then consider testing or replacing the pump if necessary.
The Engine Fault Code P2060 indicates an issue with the reductant injection air pump control circuit, specifically that the circuit is reading low. This code is often associated with diesel engines that use a Selective Catalytic Reduction (SCR) system to reduce emissions. Here are some common causes for this code, along with manufacturer-specific variations:

Common Causes:
1. Faulty Reductant Injection Air Pump: The air pump may be malfunctioning or not operating at all.
2. Wiring Issues: Damaged or corroded wiring or connectors in the control circuit can lead to poor connections.
3. Blown Fuse: A blown fuse in the circuit can prevent the air pump from receiving power.
4. Control Module Issues: The Engine Control Module (ECM) may have a fault, preventing it from sending the correct signals to the pump.
5. Sensor Failures: Related sensors, such as pressure or temperature sensors, might be faulty and affecting the system.
6. Low Reductant Levels: If the urea solution (DEF) is low, it can cause the system to operate incorrectly.

Manufacturer-Specific Variations:
– Volkswagen/Audi: These vehicles may have additional checks for the SCR system and specific software updates that could affect the air pump`s operation.
Mercedes-Benz: They might have a more complex SCR system with additional sensors, so issues could also arise from those components.
Porsche: Similar to Audi, Porsche models may have unique control strategies that could lead to variations in how the code presents itself.
Mini: The Mini`s SCR system may be less complex, but wiring issues are still a common cause.
– Jaguar/Land Rover: These brands often have sophisticated electronic systems, so faults may also be linked to software glitches or module communication issues.

Steps for Diagnosis:
1. Scan for Codes: Use an OBD-II scanner to confirm the P2060 code and check for any related codes.
2. Inspect Wiring and Connectors: Look for any visible damage or corrosion.
3. Check the Pump: Test the reductant injection air pump for proper operation.
4. Verify Power Supply: Ensure that the pump is receiving power and that all fuses are intact.
5. Check Reductant Levels: Make sure the DEF tank is filled to the appropriate level.

If you`re not comfortable diagnosing or fixing the issue yourself, it might be best to consult a professional mechanic who specializes in your vehicle brand.
The P2060 code indicates a problem with the reductant injection air pump control circuit, which is part of the emissions system in many vehicles, especially those with diesel engines. This code often relates to issues with the air pump that helps inject the reductant (like DEF – Diesel Exhaust Fluid) into the exhaust system to reduce emissions. Here`s how to troubleshoot and fix this issue:

General Steps to Fix P2060:

1. Check the Air Pump:
– Locate the reductant injection air pump. It`s usually near the DEF tank or exhaust system.
– Inspect the pump for any visible damage or corrosion.
– Test the pump by applying direct battery voltage to see if it operates. If it doesn`t, the pump may need replacement.

2. Inspect Wiring and Connectors:
– Look for damaged wires or loose connections in the circuit leading to the air pump.
– Use a multimeter to check for continuity in the wiring. Repair or replace any damaged wires or connectors.

3. Check the Fuse:
– Locate the fuse related to the reductant injection system. Check if it`s blown and replace it if necessary.

4. Test the Control Module:
– If the pump and wiring seem fine, the issue may be with the control module. This could be part of the engine control unit (ECU).
– Use a diagnostic scanner to check for additional codes that might indicate a faulty module.

5. Clear the Codes:
– After making repairs, clear the fault codes using a diagnostic scanner and take the vehicle for a test drive to see if the code returns.

Manufacturer-Specific Considerations:

Porsche:
– Check for software updates for the ECU, as some issues might be resolved with an update.

Mini:
– Ensure that the DEF tank is filled with the correct fluid, as low levels can trigger the code.

Mercedes:
– Be aware of potential issues with the DEF quality sensor, which can affect the system`s performance.

Audi:
– Audi models may have additional sensors in the reductant system that can fail. Inspect these sensors if the problem persists.

Jaguar:
– Some Jaguar models have a more complex emissions setup. Consult the service manual for specific troubleshooting steps.

Land Rover:
– Look for any recalls or service bulletins related to the reductant system, as these can provide guidance on common issues.


Fixing the P2060 code involves checking the air pump, wiring, and possibly the control module. Always refer to the specific service manual for your vehicle for detailed instructions and specifications. If you`re not comfortable with these repairs, it might be best to consult a professional mechanic.
Driving with a P2060 code, which indicates a problem with the reductant injection air pump control circuit, can be risky. This code typically appears in vehicles equipped with diesel engines that have selective catalytic reduction (SCR) systems. Heres a breakdown of what it means and the safety considerations:

General Safety Considerations:
1. Reduced Emissions: The SCR system helps reduce harmful emissions. If the system is not functioning properly, your vehicle may not meet emissions standards, which can lead to fines or failed inspections.
2. Performance Issues: You might experience reduced engine performance. In some cases, the vehicle may enter a `limp mode,` limiting power to protect the engine.
3. Potential Damage: Ignoring the issue could lead to more significant damage to the SCR system or other engine components over time.

Manufacturer Differences:
1. Porsche: In Porsche vehicles, a P2060 code may not immediately affect drivability, but its crucial to address it to maintain performance and emissions compliance.
2. Mini: Mini vehicles might also enter limp mode if the SCR system is compromised, affecting acceleration and overall driving experience.
3. Mercedes: Mercedes models may allow you to drive short distances, but the check engine light will remain on, and performance may degrade. Its best to get it checked as soon as possible.
4. Audi: Similar to Mercedes, Audi vehicles may have reduced power and efficiency. Driving with this code can lead to further complications.
5. Jaguar: In Jaguars, the P2060 code can trigger warnings on the dashboard. While you might be able to drive, its advised to fix the issue soon to avoid further damage.
6. Land Rover: Land Rover vehicles may experience significant performance drops. Driving with this code can lead to more severe issues down the line.


While you might be able to drive your vehicle for a short time with a P2060 code, its not advisable. The longer you wait to address the issue, the more potential for damage and performance loss. Its best to have a qualified mechanic diagnose and repair the problem as soon as possible.

OBD Codes Explained

Engine Codes

P is for PowerTrain - Engine and Transmission.

P0 Indicates Generic Powertrain Codes

P0 Codes indicate problems with the powertrain and are common for all vehicles using the OBD-II Standard.

P1 Enhanced Manufacturer Specific Codes

P1 Codes are specific to manufacturers.

Sub-System

The 3rd Digit indicates the Sub-System

1 – Emission Management

2 – Injector Circuit

3 – Ignition

4 – Emission Control

5 – Vehicle Speed and Idle

6 – Computer and Output

7 – Transmission

8 – Transmission

9 – Reserved

0 – Reserved

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