P121B DTC For Bmw 6er
Bmw 6er Engine Specifications:
| Engine Type : | Multi-Cylinder Engine |
| Cylinder Type : | W-Type Engine |
| Engine Air Intake Process : | Naturally Aspirated |
Your Bmw 6er engine control system detects a problem, the computer stores the diagnostic trouble
code P121B in its memory.
To figure out what is wrong with your vehicle you must first extract the P121B DTC For Bmw 6er.
A good ground connection is also extremely important. P121B Bmw 6er 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).
P121B Bmw 6er DTC Meaning
| P |
Powertrain Code - Problem is related engine, transmission and emissions systems. |
| 1 |
MFG - Manufacturer Specific |
| 2 |
Computer And Auxiliary Outputs |
| 1 |
IC Circuit High Voltage |
| B |
TFP Valve Position Switch-Drive Without Drive Ratio |
There are currently two main types of cylinder deactivation used today, depending on the type of engine. P121B Bmw 6er 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.
You can also check other Bmw car models :
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The listed Bmw models will give information about P121B DTC.
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