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TuningBot DTC Database · v4.37.15

P1616 Diagnostic Trouble Code (7 interpretations)

7 manufacturer-specific interpretations across 7 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2

Ford

1 interpretation
P1616
Engine control module (ECM) Ford · engine Data confidence 62%

The control module detected a fault associated with the Engine control module (ECM) circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Ford.

Possible causes

Incorrect programming

Land Rover

1 interpretation
P1616
Engine coolant thermostat, circuit high - circuit malfunction Land Rover · thermal_management Data confidence 62%

The control module detected that the signal in the Engine coolant thermostat circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Land Rover.

Possible causes

  • Wiring
  • engine coolant thermostat

Lexus

1 interpretation
P1616
Data bus, cruise control module - communication error Lexus · driver_assistance Data confidence 62%

The control module detected a communication fault involving Data bus, cruise control module on the vehicle network. This is the manufacturer-specific definition used by Lexus.

Possible causes

  • CAN data bus
  • ECM
  • cruise control module

Opel

1 interpretation
P1616
Immobilizer control module / instrumentation control module communication - incorrect code Opel · immobilizer Data confidence 62%

The control module detected that the Immobilizer control module / instrumentation control module communication state or value did not match what was expected. This is the manufacturer-specific definition used by Opel.

Suzuki

1 interpretation
P1616
Keyless start control module - not coded Suzuki · engine Data confidence 62%

The control module detected a fault associated with the Keyless start control module - not coded circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Suzuki.

Possible causes

  • Ignition key not programmed
  • keyless start control module
  • ECM

Toyota

1 interpretation
P1616
CAN data bus, cruise control module - communication error Toyota · driver_assistance Data confidence 62%

The control module detected a communication fault involving CAN data bus, cruise control module on the vehicle network. This is the manufacturer-specific definition used by Toyota.

Possible causes

  • Wiring
  • ECM
  • cruise control module

VAG

1 interpretation
P1616
Glow plug warning lamp - short to positive VAG · ignition Data confidence 62%

The control module detected a short circuit to battery voltage in the Glow plug warning lamp circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

Wiring short to positive

Applies to Audi

Related and nearby codes

How to read P1616

P

Powertrain: engine, transmission and driveline systems.

1

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

616

Specific fault index within the subsystem.

Frequently asked questions about P1616

What does P1616 mean?

Diagnostic Trouble Code (7 interpretations). The control module detected a fault associated with the Engine control module (ECM) circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Ford.

Is P1616 generic or manufacturer-specific?

P1616 is a manufacturer-specific code. In this database it is documented for: Ford, Land Rover, Lexus, Opel, Suzuki, Toyota, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1616 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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