PowertrainP0325

Caution

Severity: Caution - get it checked when you can

Knock Sensor 1 Circuit (Bank 1)

41 brands affected · Generic SAE J2012 description.

Key terms: Bank 1: the side of the engine containing cylinder 1 · SAE J2012: the standard generic code list · Powertrain: engine, transmission and emissions

1What it means in plain English

The knock sensor, which listens for engine knock (detonation), is not sending a signal the engine computer can trust.

2Common causes

Faulty knock sensor
Damaged wiring or connector
Loose sensor mounting or bolt
Corrosion in the connector
Engine mechanical noise from another fault

3Can I drive?

Caution · drive with care

Usually safe to drive gently. The engine may reduce power to protect itself; have it checked soon.

This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.

4Brand data 41

Brand	Code	Description	System
Ashok Leyland CV	P0325	Knock Sensor 1 Circuit (Bank 1) SAE	Powertrain
BAIC Motor	P0325	Knock sensor Brand	Powertrain
Mercedes-Benz	P0325	Knock Sensor 1 Circuit (Bank 1) SAE	Powertrain
BMW	P0325	DME: Signal,knock sensor 1 Brand	Powertrain
BYD	P0325	Knock sensor Brand	Powertrain
Chery	P0325	Knock Sensor Fault Brand	Powertrain
Chrysler	P0325	Knock sensor 1 circuit low Brand	Powertrain
Daewoo	P0325	DSNEF System Fault Brand	Powertrain
Daihatsu	P0325	Knock sensor system 1 Brand	Powertrain
DFFS	P0325	Knock sensor fault Brand	Powertrain
DFFX	P0325	Knock sensor circuit Brand	Powertrain
DFXK	P0325	Knock Sensor Fault Brand	Powertrain
EOBD	P0325	Iskun/palotärinäanturi 'A' -piiri Brand	Powertrain
Ford	P0325	Knock Sensor 1 Circuit (Bank 1) SAE	Powertrain
Geely	P0325	Knock Sensor Fault Brand	Powertrain
GM	P0325	Knock sensor (KS) module performance Brand	Powertrain
Great Wall	P0325	Knock sensor fault Brand	Powertrain
Hafei	P0325	Knock sensor circuit Brand	Powertrain
Holden	P0325	Knock Sensor Circuit Brand	Powertrain
Honda	P0325	Knock Sensor 1 Circuit (Bank 1) SAE	Powertrain
Hyundai	P0325	Knock Sensor 1 Circuit (Bank 1) SAE	Powertrain
Isuzu	P0325	Knock Sensor 1 Circuit (Bank 1) SAE	Powertrain
Land Rover	P0325	Knock Sensor 1 Circuit (Bank 1) SAE	Powertrain
Maserati	P0325	Knock Sensor 1 Circuit (Bank 1) SAE	Powertrain
Mazda	P0325	Knock Sensor 1 Circuit (Bank 1) SAE	Powertrain
Mitsubishi	P0325	Detonation sensor Brand	Powertrain
Nissan	P0325	Knock sensor Brand	Powertrain
Opel	P0325	Knock sensor (KS) module performance Brand	Powertrain
Perodua	P0325	Knock sensor system 1 Brand	Powertrain
Peugeot	P0325	Knock Sensor 1 Circuit (Bank 1) SAE	Powertrain
Proton	P0325	Detonation sensor Brand	Powertrain
Saab	P0325	Klopfsensor-Modul (KS): Funktion Brand	Powertrain
MG (SAIC)	P0325	Knock Sensor Circuit Malfunction Brand	Powertrain
Smart	P0325	Knock Sensor 1 Circuit (Bank 1) SAE	Powertrain
Sprinter	P0325	Knock Sensor 1 Circuit (Bank 1) SAE	Powertrain
Subaru	P0325	Knock Sensor 1 Circuit Malfunction Brand	Powertrain
Suzuki	P0325	Knock Sensor 1 Circuit (Bank 1 or Single Sensor) Brand	Powertrain
SWM Motor	P0325	Knock sensor Brand	Powertrain
Tata	P0325	Knock Sensor 1 Circuit Brand	Powertrain
Toyota	P0325	Knock sensor fault Brand	Powertrain
Volkswagen	P0325	Knock sensor 1 (G61): malfunction; Defective Brand	Powertrain

Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.

5Extended variant codes 1

These 7-character codes are manufacturer-specific variants of P0325 and may be reported by some scan tools.

Brand	Code	Description	System
SsangYong	P032500	Accelerometer #1 (knock sensor) malfunction Brand	Powertrain

6Related codes

Browse Pxxx codes or P032xx codes.