Knock sensor (KS) 2, bank 1 - high input
BMW · ignition
Datenzuverlässigkeit62%
The control module detected that the Knock sensor (KS) 2, bank 1 signal stayed above the expected range. This is the manufacturer-specific definition used by BMW.
TCM Internal Processor Clock Performance
Chrysler · transmission
Datenzuverlässigkeit62%
The control module judged the TCM Internal Processor Clock behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Chrysler.
The control module judged the TCM Internal Processor Clock behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Dodge.
The control module judged the TCM Internal Processor Clock behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Jeep.
Communication Error Between From ECM To VSC
Lexus · engine
Datenzuverlässigkeit62%
The control module detected a communication fault involving Communication on the vehicle network. This is the manufacturer-specific definition used by Lexus.
Generator voltage - no charge
Mazda · battery
Datenzuverlässigkeit80%
The control module detected a fault associated with the Generator voltage - no charge circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mazda.
Fuel injection pump control module - defective
Opel · engine
Datenzuverlässigkeit62%
The control module's internal test reported the Fuel injection pump control module as faulty. This is the manufacturer-specific definition used by Opel.
The control module detected the fault condition "ECU internal fault" for the Engine ECU. Documented for the Bosch EDC16C34 injection ECU (DV6TED4 1.6 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Gilt fürPeugeotBosch EDC16C34 injection ECU (DV6TED4 1.6 HDi)
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.
Gilt fürPeugeotBosch MED 17.4.x engine ECU (EP6 THP family)
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.
Gilt fürPeugeotBosch MEV17.4 engine ECU (EP6 1.6 VTi)
P1631
ECU : Internal fault (injection with no load)
PSA · engine
Datenzuverlässigkeit72%
The control module detected the fault condition "Internal fault (injection with no load)" 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.
Gilt fürPeugeotContinental SID 807 injection ECU (DV6C 1.6 HDi)
P1631
ECU : internal fault(Injection with the foot lifted)
PSA · engine
Datenzuverlässigkeit72%
The control module detected the fault condition "internal fault(Injection with the foot lifted)" 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.
Gilt fürPeugeotDelphi DCM 3.5 injection ECU (DW10C 2.0 HDi)
P1631
Computer
PSA · engine
Datenzuverlässigkeit72%
The stored code identifies a fault of the Computer. 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.
Gilt fürPeugeotMagneti Marelli MM6KP engine ECU (EW7A/EW10A)
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.
Gilt fürPeugeotSiemens SID 803 injection ECU (DW10BTED4 2.0 HDi)
Theft Deterrent Fuel Enable Signal Not Correct
Suzuki · engine
Datenzuverlässigkeit62%
The control module detected a fault associated with the Theft Deterrent Fuel Enable Signal Not Correct 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.
Communication Error Between From ECM To VSC
Toyota · engine
Datenzuverlässigkeit62%
The control module detected a communication fault involving Communication on the vehicle network. This is the manufacturer-specific definition used by Toyota.
Accelerator pedal position (APP) sensor 1 - high input
VAG · engine
Datenzuverlässigkeit62%
The control module detected that the Accelerator pedal position (APP) sensor 1 signal stayed above the expected range. This is the manufacturer-specific definition used by Audi.
Mögliche Ursachen
Wiring short to positive
APP sensor
Gilt fürAudi
P1631
Accelerator Position Sensor (G79): Signal too High
VAG · engine
Datenzuverlässigkeit84%
The control module detected that the Accelerator Position Sensor (G79) value was above the expected limit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 18039. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Symptome
Malfunction Indicator Light (MIL) ON
Reduced Engine Output
Mögliche Ursachen
Wiring and/or connections faulty
Faulty ECM
Faulty Accelerator Pedal
Empfohlene Prüfungen
Check Measuring Block Readings for Accelerator Pedal
Check Voltage Signals from ECM to Throttle Pedal (see factory repair manual)
Check Wiring and Connectors from ECM to Accelerator Pedal
CAN data bus, TCM - communication error
Volvo · transmission
Datenzuverlässigkeit62%
The control module detected a communication fault involving CAN data bus, TCM on the vehicle network. This is the manufacturer-specific definition used by Volvo.
Herstellerdefinierter Bereich: die Bedeutung kann je Marke abweichen.
631
Spezifischer Fehlerindex innerhalb des Subsystems.
Häufige Fragen zu P1631
Was bedeutet P1631?
Diagnose-Fehlercode (19 Interpretationen). The control module detected that the Knock sensor (KS) 2, bank 1 signal stayed above the expected range. This is the manufacturer-specific definition used by BMW.
Ist P1631 generisch oder herstellerspezifisch?
P1631 ist ein herstellerspezifischer Code. In dieser Datenbank ist er dokumentiert für: BMW, Chrysler, Dodge, Jeep, Lexus, Mazda, Opel, PSA, Suzuki, Toyota, VAG, Volvo. Dieselbe Nummer kann bei anderen Marken etwas anderes bedeuten.
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