U0652
Lost Communication With EGR Sensor B
U0652 is an OBD-II diagnostic trouble code meaning: Lost Communication With EGR Sensor B. Common causes: open or short circuit in the egr sensor circuit, malfunction of the egr b sensor itself. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable idling
- Possible detonation knocks
Causes
- Open or short circuit in the EGR sensor circuit
- Malfunction of the EGR B sensor itself
- Poor contact in the sensor connector
- Problems with power supply or sensor ground
- ECU malfunction (rare)
How to Fix
- Check the integrity of the wiring harness to the EGR B sensor
- Check the supply voltage and ground of the sensor
- Inspect the sensor connector for oxidation or damage.
- Check the sensor resistance (compare with the nominal value)
- If necessary, replace EGR sensor B
Related codes
Error U0652 by Vehicle Brand
FAQ
What does the U0652 code mean?
U0652 is an OBD-II diagnostic trouble code that indicates: Lost Communication With EGR Sensor B
What causes a U0652 error code?
The most common causes of U0652 include: Open or short circuit in the EGR sensor circuit; Malfunction of the EGR B sensor itself; Poor contact in the sensor connector; Problems with power supply or sensor ground.
How do I fix a U0652 diagnostic trouble code?
To fix U0652: Check the integrity of the wiring harness to the EGR B sensor. Check the supply voltage and ground of the sensor. Inspect the sensor connector for oxidation or damage.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0652?
Yes, but get it checked soon
How much does it cost to fix U0652?
The estimated repair cost for U0652 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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