U0438 Daimler Db OBD Code

OBD/2 U0438 error code description and symptoms.

Variable Cam Timing Over-advanced (Bank 1) The comprehensive component monitor (CCM) monitors the VCT position for an over-advanced camshaft timing.
The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position. Cam timing improperly set No oil flow to the VCT piston chamber Low oil pressure VCT solenoid valve stuck closed Camshaft advance mechanism binding (VCT unit) U0438 DTC is a check of the VCT unit.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

U0438 Daimler Db Error Code Repair Process :

The scent may U0438 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such U0438, so if the inside of your car exhaust gas recirculation circuit range/performance as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

Difficulty Level (Easy)

Repair Time (20 Min.)

Cost Prediction : $ 90-120

Common Causes of Daimler Db U0438 OBD2 Code

A common cause of code U0438 is the failure of Exhaust Gas Recirculation Circuit Range/Performance, but there are several other possible causes as well, such as ;

• Camshaft advance mechanism binding (VCT unit)
• Exhaust gas leaks
• Faulty variable valve timing (VVT)
• Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection

U0438 is a kind of Network Trouble Code U-code indicates that engine communication errors and shows lost communication with engine parts.U-Codes are fairly straight forward, given all of the articles and technical publications that have been written regarding these problematic codes. In most cases, it just comes down to identifying the module that isn't communicating with the other modules on the CAN bus line for whatever reason.

U0438 code for other Daimler cars

You can view according U0438 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• U0438 Daimler 2.5-litre
• U0438 Daimler 24
• U0438 Daimler 3-litre
• U0438 Daimler 4.2
• U0438 Daimler 4.5-litre
• U0438 Daimler 4-litre
• U0438 Daimler Conquest
• U0438 Daimler Daimler
• U0438 Daimler De
• U0438 Daimler Dk
• U0438 Daimler Double Six
• U0438 Daimler Light
• U0438 Daimler Limousine
• U0438 Daimler Majestic
• U0438 Daimler One-o-four
• U0438 Daimler Sp
• U0438 Daimler Super

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

About Us | Contact | Privacy

Copyright 2017 © All rights reserved