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Base de datos DTC de TuningBot · v4.37.15

P1621 Código de avería diagnóstico (14 interpretaciones)

14 interpretaciones específicas del fabricante en 8 fabricantes, en la base de datos DTC de TuningBot.

P · Motor y transmisiónEngineOBD2

Dodge

1 interpretación
P1621
Speed Control Switch Always High Dodge · engine Fiabilidad del dato 62%

The control module detected a fault associated with the Speed Control Switch Always High circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Dodge.

Jaguar

1 interpretación
P1621
Engine control module (ECM) Jaguar · engine Fiabilidad del dato 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 Jaguar.

Posibles causas

ECM

Land Rover

1 interpretación
P1621
Immobilizer control module Land Rover · immobilizer Fiabilidad del dato 62%

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

Posibles causas

Communication error

Opel

1 interpretación
P1621
Engine control module (ECM) - defective Opel · engine Fiabilidad del dato 62%

The control module's internal test reported the Engine control module (ECM) as faulty. This is the manufacturer-specific definition used by Opel.

PSA

7 interpretaciones
P1621
ECU internal fault PSA · engine Fiabilidad del dato 72%

The stored code identifies a fault of the ECU internal fault. 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.

Se aplica a Peugeot Bosch MED 17.4.x engine ECU (EP6 THP family)
P1621
ECU internal fault PSA · engine Fiabilidad del dato 72%

The stored code identifies a fault of the ECU internal 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.

Se aplica a Peugeot Bosch MEV17.4 engine ECU (EP6 1.6 VTi)
P1621
ECU : Software redundancy fault at the injection (Level 2) PSA · engine Fiabilidad del dato 72%

The control module detected the fault condition "Software redundancy fault at the injection (Level 2)" for the ECU. Documented for the Continental SID 807 injection ECU (DV6C 1.6 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Se aplica a Peugeot Continental SID 807 injection ECU (DV6C 1.6 HDi)
P1621
ECU : Software redundancy fault at the injection. (trim level 2) PSA · engine Fiabilidad del dato 72%

The control module detected the fault condition "Software redundancy fault at the injection. (trim level 2)" for the ECU. Documented for the Delphi DCM 3.5 injection ECU (DW10C 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Se aplica a Peugeot Delphi DCM 3.5 injection ECU (DW10C 2.0 HDi)
P1621
ECU fault PSA · software Fiabilidad del dato 72%

The stored code identifies a fault of the ECU fault. Documented for the MCP 6-speed piloted manual gearbox ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models. PSA documentation does not characterise the failure mode further.

Se aplica a Peugeot MCP 6-speed piloted manual gearbox ECU
P1621
System fault : Safety PSA · engine Fiabilidad del dato 72%

The control module detected the fault condition "Safety" for the System fault. Documented for the Magneti Marelli MM6KP engine ECU (EW7A/EW10A) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Se aplica a Peugeot Magneti Marelli MM6KP engine ECU (EW7A/EW10A)
P1621
Engine ECU : internal fault PSA · engine Fiabilidad del dato 72%

The control module detected the fault condition "internal fault" for the Engine ECU. Documented for the Siemens SID 803 injection ECU (DW10BTED4 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Se aplica a Peugeot Siemens SID 803 injection ECU (DW10BTED4 2.0 HDi)

Suzuki

1 interpretación
P1621
Immobilizer control module/engine control module (ECM) - communication malfunction Suzuki · immobilizer Fiabilidad del dato 62%

The control module detected a communication fault involving Immobilizer control module/engine control module (ECM) on the vehicle network. This is the manufacturer-specific definition used by Suzuki.

Posibles causas

  • Wiring
  • fuse
  • immobilizer control module
  • ECM

VAG

1 interpretación
P1621
Instrument panel, ECT signal - short to ground VAG · thermal_management Fiabilidad del dato 62%

The control module detected a short circuit to ground in the Instrument panel, ECT circuit. This is the manufacturer-specific definition used by Audi.

Posibles causas

  • Wiring short to ground
  • instrument panel
Se aplica a Audi

Volvo

1 interpretación
P1621
Instrumentation control module, real time clock - communication malfunction Volvo · instrument_cluster Fiabilidad del dato 62%

The control module detected a communication fault involving Instrumentation control module, real time clock on the vehicle network. This is the manufacturer-specific definition used by Volvo.

Posibles causas

  • CAN data bus
  • instrumentation control module

Códigos relacionados y cercanos

Cómo se lee P1621

P

Motor y transmisión: motor, cambio y transmisión.

1

Rango definido por el fabricante: el significado puede variar entre marcas.

621

Índice específico del fallo dentro del subsistema.

Preguntas frecuentes sobre P1621

¿Qué significa P1621?

Código de avería diagnóstico (14 interpretaciones). The control module detected a fault associated with the Speed Control Switch Always High circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Dodge.

¿P1621 es genérico o específico del fabricante?

P1621 es un código específico del fabricante. En esta base de datos está documentado para: Dodge, Jaguar, Land Rover, Opel, PSA, Suzuki, VAG, Volvo. El mismo número puede significar otra cosa en otras marcas.

¿Puede TuningBot eliminar P1621 a nivel de archivo?

Si la lógica del fallo vive en la calibración de la ECU, sí: nuestro servicio DTC Removal desactiva la entrada de fallo concreta. La corrección del checksum no está incluida: es un servicio aparte y opcional. ¿No sabes si tu caso encaja? Solicita una valoración gratuita y nuestros ingenieros revisarán tu archivo.

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