Service & Repair Manual

01-55
DTC DTC text Corrective action
SAE VAG
P1648 18056 Powertrain databus
faulty
- Check Engine/ABS/Transmission control module Page 24-192
P1649 18057 Powertrain databus
Missing message from ABS
control module
P1682 18090 Powertrain databus
Implausible message from ABS
control module
- Check data transfer of Engine Control Module (ECM) and other CAN
capable control modules Page 24-192
P1853 18261 Powertrain databus
Implausible message from ABS
control module
- Check data transfer of Engine Control Module (ECM) and other CAN
capable control modules Page 24-192
P3262 16646 Exhaust bank 1/2
Oxygen sensors behind catalytic
converter mixed up
- Check harness connectors
1)
For these malfunctions, ECM does not switch on the Malfunction Indicator Lamp (MIL) unless malfunction is recognized
again after another engine start. Meaning of Malfunction Indicator Lamp (MIL) Page 01-3 .
2)
For these malfunctions, ECM switches on the EPC warning lamp in instrument cluster. Significance of EPC warning lamp
Page 24-136 .
Pa
g
e 52 of 52Check DTC Memor
y
(
function 02
)
and Erase DTC Memor
y
(
function 05
)
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