Fault code lookup

PowertrainP1689

Caution

Severity: Caution - get it checked when you can

Engine Control Module

21 brands affected · Description from GM data.

Key terms: Control module: a small computer that runs one part of the car · Powertrain: engine, transmission and emissions

1What it means in plain English

The engine or powertrain control system has stored a fault that does not have specific guidance in this database yet.

2Common causes

  1. Sensor or actuator fault
  2. Wiring or connector fault
  3. Vacuum or intake leak
  4. Fuel or ignition problem
  5. Control module fault

3Can I drive?

Caution · drive with care

Have it diagnosed promptly. If the car runs and drives normally, drive gently to a workshop. If it runs badly, stalls, overheats, loses oil pressure, or a warning light is flashing or red, stop safely and get professional help. If the code concerns the brakes, brake vacuum or brake assist, do not drive until it is checked: a hard pedal or longer stopping distance means stop.

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 21

BrandCodeDescriptionSystem
Mercedes-BenzP1689No description available Powertrain
BYDP1689Oil pump motor speed abnormal BrandPowertrain
CheryP1689Powertrain Data Bus: Implausible Message from Elect. Load Controller BrandPowertrain
DaewooP1689Engine Control Module BrandPowertrain
DFXKP1689Powertrain Data Bus: Implausible Message from Elect. Load Controller BrandPowertrain
EOBDP1689Dieselpomp BrandPowertrain
GeelyP1689Powertrain Data Bus: Implausible Message from Elect. Load Controller BrandPowertrain
GMP1689Engine Control Module BrandPowertrain
Great WallP1689Electronic control unit (ECU) intake heating grid drive chip (0) overheated BrandPowertrain
HoldenP1689Throttle Actuator Control (TAC) Motor Control Circuit BrandPowertrain
HyundaiP1689No description available Powertrain
IsuzuP1689No description available Powertrain
Land RoverP1689Oil pressure control solenoid circuit BrandPowertrain
MaseratiP1689Exhaust Gas Recirculation (EGR) Actuator Control Circuit Low - Negative Side BrandPowertrain
OpelP1689Engine Control Module BrandPowertrain
PeugeotP1689No description available Powertrain
PorscheP1689No description available Powertrain
SaabP1689Engine Control Module BrandPowertrain
MG (SAIC)P1689Transmission Fluid Pump Motor Speed Signal Below Allowable Range BrandPowertrain
SuzukiP1689Exhaust Gas Recirculation 'B' Control Circuit 2 High BrandPowertrain
TataP1689Smart-solenoid Pairing Fault - Lock & Pairing BrandPowertrain

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 3

These 7-character codes are manufacturer-specific variants of P1689 and may be reported by some scan tools.

BrandCodeDescriptionSystem
Mercedes-BenzP168900SCU Fehler SSM2-Abschaltpfad BrandPowertrain
SprinterP168900SCU Fehler SSM2-Abschaltpfad BrandPowertrain
SsangYongP168900Error in GCU EEPROM area BrandPowertrain

6Related codes

Browse Pxxx codes or P168xx codes.

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