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DTC codes / U06xx · Network communication / U060D

U060DLost Communication With Turbocharger/Supercharger Boost Sensor C

U060D is a communication fault where the engine control module (ECM) or another controller has lost the data signal from the turbocharger or supercharger boost sensor C, which is one of multiple pressure sensors in a forced-induction system. The computer has detected that the expected controller area network (CAN) messages from that sensor are missing or invalid, not that the sensor itself has necessarily failed.

SystemNetwork
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaNetwork communication

Symptoms you may notice

  • Illumination of the check engine light or service vehicle soon message, often with no other symptoms besides the warning light
  • Reduced engine power or limp mode, especially under acceleration or when boost is requested
  • Poor fuel economy or sluggish throttle response because the ECM substitutes a default boost value
  • Rough running or hesitation if the ECM cannot properly regulate turbocharger or supercharger boost
  • In rare cases, a no-start condition if the lost communication affects shared power or ground circuits

Common causes, most likely first

  1. Damaged, corroded, or disconnected wiring or connector at the boost sensor C or its inline harness
  2. Failed boost sensor C itself, causing it to stop transmitting data on the communication bus
  3. Open or shorted CAN bus wiring between the sensor and the module that reports the fault
  4. Poor electrical ground or power supply to the sensor, often from a shared splice or fuse
  5. Software or calibration issue in the ECM or body control module that misinterprets the sensor signal
  6. Aftermarket accessories or poor previous repairs that disturbed the sensor circuit

How to diagnose and fix it

  1. Inspect the boost sensor C connector and harness for corrosion, loose pins, or chafed wires, and repair as needed
  2. Check the sensor’s power and ground circuits with a multimeter to confirm they are within specification
  3. Measure the CAN bus voltage or resistance at the sensor connector to verify communication lines are intact
  4. Swap boost sensor C with an identical known-good sensor from the same bank or position, if accessible, to see if the code follows the sensor
  5. Use a scan tool to monitor live boost pressure data and compare it with a mechanical gauge to confirm the sensor is reporting correctly
  6. Clear the code and perform a road test that includes boost events to verify the repair and ensure the code does not return
  7. If wiring and sensor are good, check for technical service bulletins or software updates for the ECM before replacing any module

Boost sensor C communication traps to avoid

  • This code often appears after a repair that disturbed the sensor harness, such as a turbocharger replacement or intake work, so always check recent service history first.
  • A failed boost sensor C can set U060D without any driveability symptoms because the ECM may use a default value from other sensors, leading some technicians to overlook the communication fault.
  • The fault is stored by the module that expects the message, not necessarily by the sensor itself, so replacing the sensor blindly can be a costly misdiagnosis if the real issue is a broken wire or ground.
  • On vehicles with multiple boost sensors, a single shared 5-volt reference or ground circuit can take down communication for sensor C and set related codes for other sensors at the same time.
  • Aftermarket piggyback tuners or wiring modifications on the boost sensor circuit are a common cause of U060D that owners forget to mention to the shop.

Can I keep driving with U060D?

You can usually drive the vehicle to a repair shop, but avoid heavy acceleration or towing because the ECM may not regulate boost correctly, which can lead to poor performance or, in some cases, engine damage. If the vehicle enters limp mode or runs poorly, stop driving and have it towed.

Tools that help

Tools we recommend are in the Auto Veteran shop on Amazon. As an Amazon Associate we earn from qualifying purchases.

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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