Diagnostic Trouble Code Definitions

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1996 Mercedes-Benz C36, 1996 Mercedes-Benz C280, 1996 Mercedes-Benz C220, 1995 Mercedes-Benz C36, and 1995 Mercedes-Benz C280. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For aid in using diagnostic charts, see USING DIAGNOSTIC CHARTS .

DIAGNOSTIC TROUBLE CODE LIST

DTC

Possible Cause

Test Step/Remedy

No Fault In System

In case of complaint: SECTION 23 (entire test)

002

ASR/SPS (N47-1) Or ETS/SPS (N47-2) Control Module

Replace control module.

003

Left Front Axle VSS Sensor (L6/1) Open Circuit

Step 13, see Test Steps 12.0-15.1

004

Right Front Axle VSS Sensor (L6/2) Open Circuit

Step 15, see Test Steps 12.0-15.1

005

Left Rear Axle VSS Sensor (L63) Open Circuit

Step 17, see Test Steps 15.2-17.2

006

Right Rear Axle VSS Sensor (L6/4) Open Circuit

Step 19, see Test Steps 18.0-21.0

007

Left Front Axle VSS Sensor (L6/1) Implausible ⁽²⁾

Step 13, see Test Steps 12.0-15.1

008

Right Front Axle VSS Sensor (L6/2) Implausible ⁽²⁾

Step 15, see Test Steps 12.0-15.1

009

Left rear Axle VSS Sensor (L6/3) Implausible ⁽²⁾

Step 17, see Test Steps 15.2-17.2

010

Right Rear Axle VSS Sensor (L6/4) Implausible ⁽²⁾

Step 19, see Test Steps 18.0-21.0

011

VSS (L6/1, L6/2, L6/3, L6/4) Implausible ⁽²⁾

Step 13, 15 see Test Steps 12.0-15.1 ; step 17, see Test Steps 15.2-17.2 ; step 19, see Test Steps 18.0-21.0
Visually inspect

012

ASR/ETS Hydraulic Unit, Solenoid Valve Relay (A7/3k1)

Step 8, see Test Steps 5.0-8.0

013

ASR/ETS Hydraulic Unit, Left Front Axle Solenoid Valve (Hold) (A7/3y6)

Step 21, see Test Steps 18.0-21.0

014

ASR/ETS Hydraulic Unit, Left Front Axle Solenoid Valve (Release) (A7/3y7)

Step 22, see Test Steps 22.0-25.0

015

ASR/ETS Hydraulic Unit, Right Front Axle Solenoid Valve (Hold) (A7/3y8)

Step 23, see Test Steps 22.0-25.0

016

ASR/ETS Hydraulic Unit, Right Front Axle Solenoid Valve (Release) (A7/3y9)

Step 24, see Test Steps 22.0-25.0

017

ASR/ETS Hydraulic Unit, Left Rear Axle Solenoid Valve (Hold) (A7/3y10)

Step 25, see Test Steps 22.0-25.0

018

ASR/ETS Hydraulic Unit, Left Rear Axle Solenoid Valve (Release) (A7/3y11)

Step 26, see Test Steps 26.0-30.0

019

ASR/ETS Hydraulic Unit, Right Rear Axle Solenoid Valve (Hold) (A7/3y12)

Step 27, see Test Steps 26.0-30.0

020

ASR/ETS Hydraulic Unit, Right Rear Axle Solenoid Valve (Release) (A7/3y13)

Step 28, see Test Steps 26.0-30.0

021

ASR/ETS Hydraulic Unit, Switchover/Solenoid Valve (A7/3y5)

Step 29, see Test Steps 26.0-30.0

022

ASR/ETS Hydraulic Unit, Inlet Solenoid Valve (A7/3y15)

Step 30, see Test Steps 26.0-30.0

023

ASR ONLY: ASR System Pressure Too Low

ASR hydraulic unit (A7/3)

024

ASR/ETS Hydraulic Unit, High Pressure/Return Pump Relay (A7/3k2)

Step 9, see Test Steps 8.1-11.0

027

Stop Lamp Switch (S9/1)

Step 11, see Test Steps 8.1-11.0

028

Battery Voltage Too Low, Circuit 87

Step 1, see Test Steps 1.0-4.0

029

ETS ONLY: Circuit 30, Voltage Supply

Step 2, see Test Steps 1.0-4.0

030

ASR ONLY: CAN Communication With EA/CC/ISC Control Module (N4/1) Faulty

Step 33, see Test Steps 31.0-33.1
Read out DTC (N4/1).

031

ASR ONLY: CAN Communication With Engine Control Module (N3/4) Faulty

Step 33, see Test Steps 31.0-33.1
Read out DTC (N3/4).

033

ASR ONLY: CAN Communication Faulty In General

Step 33, see Test Steps 31.0-33.1
Read out DTC (N4/1).
Read out DTC (N3/4).

034

ETS ONLY: Brakes Overheated

Brakes were momentarily overloaded, erase DTC.

038

ETS ONLY: ETS/SPS Control Module (N47/2) Not Coded

Input code data into control module with HHT.

039

210 Chassis: ASR/SPS Or ETS/SPS Control Module

N47-1 Or N47/2

047

210 Chassis: ASR/SPS Or ETS/SPS Control Module

N47-1 Or N47/2

⁽⁾	Observe Preparation for Test, see PREPARATION FOR TESTS (SECTION 22) .

⁽²⁾	Rotor with incorrect tooth count, dirt accumulation on on damage to rotor, incorrect rear axle ratio, wrong wheel or tire size. If DTC appears only after repair work, it may be caused by applying the brakes or driving vehicle on a dynamometer, erase DTC.