C1939 DTC For Volvo 122

Volvo 122 Engine Specifications:
Engine Type :Multi-Cylinder Engine
Cylinder Type :W-Type Engine
Engine Air Intake Process :Turbocharged Engine

Your Volvo 122 engine control system detects a problem, the computer stores the diagnostic trouble code C1939 in its memory. To figure out what is wrong with your vehicle you must first extract the C1939 DTC For Volvo 122.

A good ground connection is also extremely important. C1939 Volvo 122 engine problem because the presence of voltage at the panel harness won't make the panel work if there is a bad ground connection. Since the instrument cluster is mounted in a plastic dash, a separate ground wire or ground circuit through the wiring harness is usually needed to complete the power circuit. Refer again to the wiring diagram to find the ground path, and then check it with your ohmmeter. Do not use a self-powered test light because it cannot measure resistance (any resistance will lower circuit voltage).

C1939 Volvo 122 DTC Meaning

C Chassis Code - Problem is controller area network wiring bus and modules.
1 MFG - Manufacturer Specific
9 Transmission
3 Low Coolant Circuit
9 A/C System High Pressure High Temperature

There are currently two main types of cylinder deactivation used today, depending on the type of engine. C1939 Volvo 122 code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.

C1938 DTC (Previous DTC Code) ( Next DTC Code ) C1940 DTC
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The listed Volvo models will give information about C1939 DTC.