2CA0 - P0135 (DME)

2CA0 - P0135

Information saved in
DME

Fault code
2CA0 - P0135

Fault text
DME2: Oxygen-sensor heating before catalytic converter,
bank 2

Fault description
Pre-catalyst oxygen sensor heater

Condition for fault identification
Test condition:
Sensor ceramic temperature monitor detects reduced heater
performance at pre-catalyst oxygen sensor (no fault in heater
wiring) during heating following engine start and period for
registering operational status
Diagnosis conditions:
- No coasting/overrun mode
Terminal condition: Engine running
Voltage condition:
battery voltage<11V oder Ubatt > 16 volts

Condition for fault memory entry
35 sec.

Action in service
Check plug, replace sensor

Fault effect and breakdown warning
none

Driver information
Warning light:
MIL on in 2nd DC

Service instruction
none