ISC - DTC 00533 (2231) Noise Damper Clogged
Group: 24Number: 93-05
Date: November 15, 1993
Subject:
Noise Damper for Idle Air Control Valve
Model(s):
Golf III/Jetta III
from m.y. 1993
Condition
When checking the engine management system with Scan Tool VAG 1551, the following Diagnostic Trouble Code (DTC) readout may appear:
00533 2231
"Idle speed regulation adaptation limit not reached"
"Idle speed regulation adaptation limit exceeded"
The malfunction could be in the intake air system.
Service
When checking the intake air system, remove the noise damper -4- and ensure that it is not damaged or blocked
Note
The Part Identifier No. for the noise damper is 2477.