Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P34B5 B Camshaft Position Actuator Temperature Sensor Range/Performance Bank 1

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P34B5 means

P34B5
B Camshaft Position Actuator Temperature Sensor Range/Performance Bank 1 Generic · engine Data confidence 65%

The control module judged the B Camshaft Position Actuator Temperature behaviour implausible for the current operating conditions.

Symptoms

  • MIL illuminated
  • Possible rough idle or reduced power

Possible causes

  • Low oil level/pressure or degraded oil
  • VVT solenoid (oil control valve) fault
  • Timing chain stretch or incorrect timing
  • Camshaft adjuster fault
  • Wiring fault

Recommended checks

  • Check oil level and condition first
  • Read specified vs actual cam timing with live data
  • Actuate the VVT solenoid and verify response
  • Check timing marks/chain condition if deviation persists

Related and nearby codes

How to read P34B5

P

Powertrain: engine, transmission and driveline systems.

3

Generic SAE-standard code: same meaning on every make.

4B5

Specific fault index within the subsystem.

Frequently asked questions about P34B5

What does P34B5 mean?

B Camshaft Position Actuator Temperature Sensor Range/Performance Bank 1. The control module judged the B Camshaft Position Actuator Temperature behaviour implausible for the current operating conditions.

Is P34B5 generic or manufacturer-specific?

P34B5 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P34B5 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningDyno-tested results by model and engine See the results →

← Search the full DTC database