Knock sensor (KS) 2, bank 1 - high input
BMW · ignition
Fiabilité de la donnée62%
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
Fiabilité de la donnée62%
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.
TCM Internal Processor Clock Performance
Dodge · transmission
Fiabilité de la donnée62%
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.
TCM Internal Processor Clock Performance
Jeep · transmission
Fiabilité de la donnée62%
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
Fiabilité de la donnée62%
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
Fiabilité de la donnée80%
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
Fiabilité de la donnée62%
The control module's internal test reported the Fuel injection pump control module as faulty. This is the manufacturer-specific definition used by Opel.
Engine ECU : ECU internal fault
PSA · engine
Fiabilité de la donnée72%
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.
ECU internal fault
PSA · engine
Fiabilité de la donnée72%
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.
S'applique àPeugeotBosch MED 17.4.x engine ECU (EP6 THP family)
P1631
ECU internal fault
PSA · engine
Fiabilité de la donnée72%
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.
ECU : Internal fault (injection with no load)
PSA · engine
Fiabilité de la donnée72%
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.
ECU : internal fault(Injection with the foot lifted)
PSA · engine
Fiabilité de la donnée72%
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.
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.
Engine ECU : internal fault
PSA · engine
Fiabilité de la donnée72%
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.
Theft Deterrent Fuel Enable Signal Not Correct
Suzuki · engine
Fiabilité de la donnée62%
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
Fiabilité de la donnée62%
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
Fiabilité de la donnée62%
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.
Causes possibles
Wiring short to positive
APP sensor
S'applique àAudi
P1631
Accelerator Position Sensor (G79): Signal too High
VAG · engine
Fiabilité de la donnée84%
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).
Symptômes
Malfunction Indicator Light (MIL) ON
Reduced Engine Output
Causes possibles
Wiring and/or connections faulty
Faulty ECM
Faulty Accelerator Pedal
Vérifications recommandées
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
Fiabilité de la donnée62%
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.
Groupe motopropulseur : moteur, boîte et transmission.
1
Plage définie par le constructeur : la signification peut varier selon les marques.
631
Index de défaut spécifique dans le sous-système.
Questions fréquentes sur P1631
Que signifie P1631 ?
Code défaut de diagnostic (19 interprétations). 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.
P1631 est-il générique ou spécifique au constructeur ?
P1631 est un code spécifique au constructeur. Dans cette base il est documenté pour : BMW, Chrysler, Dodge, Jeep, Lexus, Mazda, Opel, PSA, Suzuki, Toyota, VAG, Volvo. Le même numéro peut signifier autre chose sur d'autres marques.
TuningBot peut-il supprimer P1631 au niveau du fichier ?
Si la logique du défaut réside dans la calibration de l'ECU, oui : notre service DTC Removal désactive l'entrée de défaut concernée. La correction du checksum n'est pas incluse : c'est un service à part, en option. Vous ne savez pas si votre cas est concerné ? Demandez une évaluation gratuite et nos ingénieurs examineront votre fichier.