OBD Codes List

Diagnostic reference · P34A7

P34A7

A Camshaft Position Actuator Temperature Sensor Circuit High Bank 1

System
Auxiliary emission controls (P code)
Lamp
Check Engine Light
Category
Powertrain - Auxiliary Emissions Controls

What it means

P34A7 means A Camshaft Position Actuator Temperature Sensor Circuit High Bank 1.

Where it lives

For P34A7, the sensor sits on the circuit this code reports. The description of P34A7 puts it on bank 1.

Check these first

  • A short to voltage on the bank 1 A actuator temperature sensor signal circuit
  • An open in the bank 1 A sensor ground
  • A bank 1 A sensor reading above the true actuator temperature
  • A failed sensing element inside the bank 1 A sensor

What to do next

  1. Read the bank 1 actuator temperature sensor value on a scan tool
  2. Test the bank 1 A sensor signal circuit for a short to voltage
  3. Check the bank 1 A sensor ground for an open
  4. Compare the bank 1 reading to a known good sensor
  5. Replace the bank 1 A actuator temperature sensor if the circuit tests good
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.