Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P0012:00ELECTRIC VARIABLE VALVE TIMING CONTROL SYSTEM - (OVER-RETARDED) THIS CONCERN MAY BE CAUSED BY VARIABLE VALVE TIMING (VVT) ACTUATOR SPRING SHAFT FATIGUE
P0012:00Electric variable valve timing control system: Over-retarded
P0012“A” Camshaft Position - Timing Over-Advanced or System Performance Bank 2
Manufacturer communications
33Original wording in English
MERCEDES-BENZ
Complaint Engine vibrations perceived at low rpm. Fault codes for the camshaft position of the intake camshaft (P001100, P001104, P001200) or exhaust camshaft (P001400, P001404, P001500) may be stored. Cause Continuously fluctuating oil pressure in the central valve may lead to damage to the filter screen on the central valve. T…
MERCEDES-BENZ
Complaint Engine vibrations perceived at low rpm. Fault codes for the camshaft position of the intake camshaft (P001100, P001104, P001200) or exhaust camshaft (P001400, P001404, P001500) may be stored. Cause Continuously fluctuating oil pressure in the central valve may lead to damage to the filter screen on the central valve. T…
FORD, LINCOLN
Some 2015-2021 Ford and Lincoln vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0011, P0012, P0014, P0015, P0016, P0017, P0018, P0019, P0021, P0022, P0024 and/or P0025. Pinpoint test HK in the Powertrain Control and Emissions Diagnosis (PC/ED) or in Section 303-14 of the Workshop Manual (WSM) has be…
VOLVO
This is a Technical Journal: CEL with DTC ECM P001100, P001200, P001400, P001500. For MY 23-26 vehicles with engine code L1, an improved software is released in version 3.5.14 (and newer). Perform a Total Upgrade according to TJ 31543 before performing additional VIDA symptom-based fault tracing. •Software for remaining models w…
Check vehicle applicability
308A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Bentley | MULSANNE ↗ | 2020 |
| Bentley | MULSANNE ↗ | 2019 |
| Bentley | MULSANNE ↗ | 2018 |
| Bentley | MULSANNE ↗ | 2017 |
| Bentley | MULSANNE ↗ | 2016 |
| Ford | C-MAX ↗ | 2018 |
| Ford | C-MAX ↗ | 2017 |
| Ford | C-MAX ↗ | 2016 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
A Camshaft Position – Timing Over-Retarded (Bank 1)
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.