Volvo Symptom D12D US02 Service Manual page 49

Group 20
Step 1: Fault Code Readings
Registered fault codes (whether active or inactive) can
quickly point to faults; however, they also can be a
Action:
Check for active or inactive fault codes related to symptoms.
Check inactive codes with high occurrences.
"Step 2: Visual Inspection (System Checks)" page 45
Step 2: Visual Inspection (System Checks)
Action:
Check that engine oil level is within specifications.
Check whether coolant is contaminated with engine oil.
"Step 3: VCADS Pro Tests" page 46
C2002639
T2020217
D
fault-finding aid for the symptom. Freeze frames of
information for specific fault codes may also be helpful for
finding causes for the symptom.
Fault tracing using relevant service information
should always be carried out for relevant fault codes.
Components/functions of special interest:
•
MID 128, Engine ECU
PID 100
PID 110
PID 175
Refer to:
Instrument cluster or VCADS Pro
VCADS Pro:"Fault Codes, Test Mode"
"Engine Oil/Coolant Contamination" page 42
Refer to:
"Engine Oil/Coolant Contamination" page 42
Engine oil pressure
Coolant temperature:
Engine oil temperature
45