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TuningBot DTC Database · v4.37.15

P1340 Diagnostic Trouble Code (14 interpretations)

14 manufacturer-specific interpretations across 11 manufacturers in the TuningBot DTC database.

Ford

1 interpretation
P1340
Camshaft Position Sensor 'B' Circuit Malfunction Ford · engine Data confidence 80%

The control module detected improper operation of the Camshaft Position Sensor 'B' circuit. This is the manufacturer-specific definition used by Ford.

Honda

1 interpretation
P1340
Ignition control module (ICM) - cylinder identification/synchronization Honda · engine Data confidence 62%

The control module detected a fault associated with the Ignition control module (ICM) - cylinder identification/synchronization circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Honda.

Possible causes

  • Wiring
  • ignition coil(s)
  • ICM
  • ECM

Hyundai

1 interpretation
P1340
IFS 2 Open Hyundai · engine Data confidence 62%

The control module detected a fault associated with the IFS 2 Open circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Hyundai.

Jaguar

1 interpretation
P1340
Camshaft Position Sensor B Circuit Jaguar · engine Data confidence 62%

The control module detected improper operation of the Camshaft Position Sensor B circuit. This is the manufacturer-specific definition used by Jaguar.

Mazda

1 interpretation
P1340
Camshaft Position Sensor 'B' Circuit Mazda · engine Data confidence 62%

The control module detected improper operation of the Camshaft Position Sensor 'B' circuit. This is the manufacturer-specific definition used by Mazda.

Mercedes-Benz

1 interpretation
P1340
Camshaft position (CMP) sensor - signal Mercedes-Benz · engine Data confidence 62%

The control module detected a fault associated with the Camshaft position (CMP) sensor - signal circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mercedes-Benz.

Possible causes

  • Wiring
  • CMP sensor
  • ECM

MINI

1 interpretation
P1340
Multiple Cylinder Misfire During Start MINI · ignition Data confidence 62%

The control module detected a fault associated with the Multiple Cylinder Misfire During Start circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by MINI.

Porsche

1 interpretation
P1340
Timing Chain out of Position Bank 1 Porsche · engine Data confidence 62%

The control module detected a fault associated with the Timing Chain out of Position Bank 1 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Porsche.

PSA

3 interpretations
P1340
Misfiring fault on cylinders 4 PSA · engine Data confidence 72%

The stored code identifies a fault of the Misfiring fault on cylinders 4. Documented for the Bosch MED 17.4.x engine ECU (EP6 THP family) on Peugeot applications; the same PSA control units are also fitted to Citroën models. PSA documentation does not characterise the failure mode further.

Applies to Peugeot Bosch MED 17.4.x engine ECU (EP6 THP family)
P1340
Fault : misfirings on cylinder N°4 PSA · engine Data confidence 72%

The stored code identifies a fault of the Fault. Documented for the Bosch MEV17.4 engine ECU (EP6 1.6 VTi) on Peugeot applications; the same PSA control units are also fitted to Citroën models. PSA documentation does not characterise the failure mode further.

Applies to Peugeot Bosch MEV17.4 engine ECU (EP6 1.6 VTi)
P1340
High combustion misfiring on cylinder 4 PSA · engine Data confidence 72%

The stored code identifies a fault of the High combustion misfiring on cylinder 4. Documented for the Magneti Marelli MM6KP engine ECU (EW7A/EW10A) on Peugeot applications; the same PSA control units are also fitted to Citroën models. PSA documentation does not characterise the failure mode further.

Applies to Peugeot Magneti Marelli MM6KP engine ECU (EW7A/EW10A)

Toyota

1 interpretation
P1340
Ignition control - cylinder No. 8 - circuit malfunction Toyota · engine Data confidence 62%

The control module detected improper operation of the Ignition control - cylinder No. 8 circuit. This is the manufacturer-specific definition used by Toyota.

Possible causes

  • Wiring
  • ignition module/coil
  • ECM

VAG

2 interpretations
P1340
Camshaft position (CMP) sensor 1/Bank 1/ crankshaft position (CKP) sensor - out of sequence VAG · engine Data confidence 62%

The control module detected a fault associated with the Camshaft position (CMP) sensor 1/Bank 1/ crankshaft position (CKP) sensor - out of sequence circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Valve timing
  • CKP/CMP sensor installation
  • CKP sensor rotor
Applies to Audi
P1340
Camshaft Position Sensor (G40) / Engine Speed Sensor (G28): Incor. Correlation VAG · engine Data confidence 80%

The control module detected a fault associated with the Camshaft Position Sensor (G40) / Engine Speed Sensor (G28): Incor. Correlation circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17748. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Possible causes

  • Timing Belt/Chain incorrectly installed
  • Camshaft Position Sensor (G40) faulty
  • Engine Speed Sensor (G28) faulty

Recommended checks

  • Check Timing Belt/Chain installation
  • Check/Replace Camshaft Position Sensor (G40)
  • Check/Replace Engine Speed Sensor (G28)
Applies to Volkswagen

Related and nearby codes

How to read P1340

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

340

Specific fault index within the subsystem.

Frequently asked questions about P1340

What does P1340 mean?

Diagnostic Trouble Code (14 interpretations). The control module detected improper operation of the Camshaft Position Sensor 'B' circuit. This is the manufacturer-specific definition used by Ford.

Is P1340 generic or manufacturer-specific?

P1340 is a manufacturer-specific code. In this database it is documented for: Ford, Honda, Hyundai, Jaguar, Mazda, Mercedes-Benz, MINI, Porsche, PSA, Toyota, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1340 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

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