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TuningBot DTC Database · v4.37.15

P1618 Chrysler - Engine control module (ECM) - primary 5 volt output erratic

Manufacturer-specific interpretation for Chrysler. All interpretations of P1618

P · PowertrainEngineOBD2

What P1618 means

P1618
Engine control module (ECM) - primary 5 volt output erratic Chrysler · engine Data confidence 62%

The control module detected a fault associated with the Engine control module (ECM) - primary 5 volt output erratic circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.

Possible causes

  • Wiring
  • poor connection
  • oil pressure sensor
  • APP sensor
  • CKP sensor
  • throttle control unit

Related and nearby codes

How to read P1618

P

Powertrain: engine, transmission and driveline systems.

1

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

618

Specific fault index within the subsystem.

Frequently asked questions about P1618

What does P1618 mean?

Engine control module (ECM) - primary 5 volt output erratic. The control module detected a fault associated with the Engine control module (ECM) - primary 5 volt output erratic circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.

Is P1618 generic or manufacturer-specific?

P1618 is a manufacturer-specific code. In this database it is documented for: Chrysler. The same number can mean something different on other brands.

Can TuningBot remove P1618 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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