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Base de dados DTC TuningBot · v4.37.14

P1621 Código de avaria de diagnóstico (14 interpretações)

14 interpretações específicas do fabricante em 8 fabricantes na base de dados DTC TuningBot.

P · Motor e transmissãoEngineOBD2

Dodge

1 interpretação
P1621
Speed Control Switch Always High Dodge · engine Fiabilidade do dado 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 interpretação
P1621
Engine control module (ECM) Jaguar · engine Fiabilidade do dado 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.

Causas possíveis

ECM

Land Rover

1 interpretação
P1621
Immobilizer control module Land Rover · immobilizer Fiabilidade do dado 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.

Causas possíveis

Communication error

Opel

1 interpretação
P1621
Engine control module (ECM) - defective Opel · engine Fiabilidade do dado 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 interpretações
P1621
ECU internal fault PSA · engine Fiabilidade do dado 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.

Aplica-se a Peugeot Bosch MED 17.4.x engine ECU (EP6 THP family)
P1621
ECU internal fault PSA · engine Fiabilidade do dado 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.

Aplica-se a Peugeot Bosch MEV17.4 engine ECU (EP6 1.6 VTi)
P1621
ECU : Software redundancy fault at the injection (Level 2) PSA · engine Fiabilidade do dado 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.

Aplica-se a Peugeot Continental SID 807 injection ECU (DV6C 1.6 HDi)
P1621
ECU : Software redundancy fault at the injection. (trim level 2) PSA · engine Fiabilidade do dado 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.

Aplica-se a Peugeot Delphi DCM 3.5 injection ECU (DW10C 2.0 HDi)
P1621
ECU fault PSA · software Fiabilidade do dado 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.

Aplica-se a Peugeot MCP 6-speed piloted manual gearbox ECU
P1621
System fault : Safety PSA · engine Fiabilidade do dado 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.

Aplica-se a Peugeot Magneti Marelli MM6KP engine ECU (EW7A/EW10A)
P1621
Engine ECU : internal fault PSA · engine Fiabilidade do dado 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.

Aplica-se a Peugeot Siemens SID 803 injection ECU (DW10BTED4 2.0 HDi)

Suzuki

1 interpretação
P1621
Immobilizer control module/engine control module (ECM) - communication malfunction Suzuki · immobilizer Fiabilidade do dado 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.

Causas possíveis

  • Wiring
  • fuse
  • immobilizer control module
  • ECM

VAG

1 interpretação
P1621
Instrument panel, ECT signal - short to ground VAG · thermal_management Fiabilidade do dado 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.

Causas possíveis

  • Wiring short to ground
  • instrument panel
Aplica-se a Audi

Volvo

1 interpretação
P1621
Instrumentation control module, real time clock - communication malfunction Volvo · instrument_cluster Fiabilidade do dado 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.

Causas possíveis

  • CAN data bus
  • instrumentation control module

Códigos relacionados e próximos

Como se lê P1621

P

Motor e transmissão: motor, caixa e transmissão.

1

Intervalo definido pelo fabricante: o significado pode variar entre marcas.

621

Índice específico da avaria dentro do subsistema.

Perguntas frequentes sobre P1621

O que significa P1621?

Código de avaria de diagnóstico (14 interpretações). 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 é genérico ou específico do fabricante?

P1621 é um código específico do fabricante. Nesta base de dados está documentado para: Dodge, Jaguar, Land Rover, Opel, PSA, Suzuki, VAG, Volvo. O mesmo número pode significar outra coisa noutras marcas.

A TuningBot consegue remover P1621 ao nível do ficheiro?

Se a lógica da avaria vive na calibração da ECU, sim: o nosso serviço DTC Removal desativa a entrada de avaria específica e, se a ECU o exigir, corrige também o checksum. Não sabe se o seu caso se aplica? Peça uma avaliação gratuita e os nossos engenheiros verificam o seu ficheiro.

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