Reductant Injection Air Pump Control Circuit Low
The P2060 code indicates that the powertrain control module (PCM) has detected a low voltage condition in the control circuit of the reductant injection air pump. This pump is part of the selective catalytic reduction (SCR) system, which injects diesel exhaust fluid (DEF) into the exhaust stream to reduce NOx emissions. A low circuit voltage suggests a short to ground, open circuit, or faulty pump, potentially leading to inadequate DEF injection and increased emissions.
01. Most Common Causes
- Faulty reductant injection air pump
- Open or shorted wiring in the pump control circuit
- Corroded or damaged connector
- Failed PCM (rare)
02. Symptoms You Will Notice
- Check Engine Light illuminated
- Reduced engine performance or limp mode
- Increased diesel exhaust fluid consumption
- Failed emissions test
03. Step-by-Step Diagnosis
Step 1: Scan for additional codes and verify P2060 is present.
Step 2: Visually inspect the reductant injection air pump and its wiring for damage or corrosion.
Step 3: Test the pump control circuit voltage with a multimeter; compare to manufacturer specifications.
Step 4: Check continuity and resistance in the circuit; repair or replace as needed.
Step 5: If circuit is okay, test the pump operation by applying direct power; replace if faulty.
04. Commonly Affected Makes
05. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended to drive long distances as the SCR system may not function properly, leading to increased emissions and potential engine derate. Short trips to a repair shop are acceptable.
How much does it cost to fix?▼
The cost typically ranges from $150 to $400, including parts and labor. The pump itself costs $50-$150, with labor adding $100-$250 depending on the vehicle.