GM Vehicle Error Code P1652: How to Fix It

Q: What causes GM error code P1652?

P1652 is typically caused by a faulty heated PCV solenoid, damaged wiring in the control circuit, poor electrical connections, or rarely, a failed engine control module. The most common cause is solenoid failure due to age or electrical issues.

Q: Can I drive with error code P1652?

Yes, you can typically drive with P1652 as it's considered a low severity code. However, the PCV system may not function optimally, potentially leading to increased emissions and reduced fuel economy. It's best to address the issue promptly.

Q: How much does it cost to fix P1652?

Repair costs typically range from $100-300 if you do it yourself (parts only) or $200-500 at a shop. The heated PCV solenoid usually costs $50-150, while labor adds $150-350 depending on accessibility and local rates.

Q: Will P1652 cause my vehicle to fail emissions testing?

Yes, P1652 may cause your vehicle to fail emissions testing since it relates to the PCV system which affects emissions control. The check engine light associated with this code will typically result in an automatic emissions test failure.

Q: How do I prevent P1652 from returning?

Prevent P1652 by maintaining clean electrical connections, following regular maintenance schedules, and addressing any oil leaks promptly. Use quality replacement parts and ensure proper installation with dielectric grease on connections.

Abstract

Error code P1652 indicates a problem with the heated PCV (Positive Crankcase Ventilation) solenoid control circuit in your GM vehicle. This code typically appears when the engine control module detects an electrical fault in the wiring or solenoid that controls the heated PCV valve system.