U0100 Code: ECM/PCM Communication
In this Pulling Codes case, we document a U0100 code – a no communication issue with the PCM on a 2010 Dodge Caravan. With scan tools and scopes, contributor Carlton Banks diagnoses and solves the vehicle’s mysterious issues.
Pulling Codes: P00C6 – Direct And To The Point
In this month’s Pulling Codes case, Contributing Writer Carlton Banks addresses a direct injection fuel pressure code (P00C6-Fuel Rail Pressure Low during Engine Cranking). The owner of a 2012 Chevrolet Impala states it appears to lose power at times. After the vehicle runs for quite some time, the power issue appears to go away.
Pulling Codes: Multiple Misfire Personalities
A vehicle fails an emission test due to a series of codes, with misfire activity found on cylinders 2, 4, 6, 8 and 3 – and a strange metallic sound can be heard when the rpms are raised. See how Carlton Banks solves this latest Pulling Codes case.
Pulling Codes: P0302: Cylinder 2 Misfire Detected Intermittent Activity
This article addresses a misfire code from a 1999 VW Passat. It will look at a plan of attack for when a P0302-Cylinder No. 2 Misfire Activity Detected code is being set intermittently. While this code has been encountered by many, this particular failure was unique in that it allowed one to witness theory truly come to life.
Pulling Codes: The Ghost of Code P0420
Every once in a while you come across a vehicle with a P0420 code that bears mentioning. Using one of his scan tool’s features, Carlton Banks tests the catalytic converter’s efficiency.
Pulling Codes: Good Guys Vs. Bad Guys
In the world of automotive module-to-module communication, Code U0100 can mimic a good guy/bad guy situation — the good guy has made an attempt to communicate with the bad guy and the bad guy does not respond.
Pulling Codes: An Advanced Misfire Story – The Story of P0301
This article will document code P0301 — Misfire Activity on Cylinder No. 1 — a code many of you have run into, but sometimes we have case studies that are worthy of mention. Our subject vehicle is a 2007 Mercury Mountaineer. The vehicle has a P0301 stored in its memory. The lead tech working on this
Pulling Codes: O2 Sensor Heater Circuit Malfunction
Pulling a P0135 Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 1) code means you’re dealing with a possible oxygen sensor heater element and/or associated components in this circuit. This article provides a game plan for diagnosing a vehicle with this code.
Pulling Codes: Advanced Misfire and Fuel Trim Analysis, Part 2
Contributing writer Carlton Banks continues with his series on Advanced Misfire and Fuel Trim Analysis, using fuel trims and oxygen sensor behavior to determine if the misfire activity is ignition, engine mechanical or fuel related. This article focuses on fuel-related misfires.
Pulling Codes: Advanced Misfire and Fuel Trim Analysis — A P030X Detailed Analysis
Carlton Banks documents the use of fuel trims and oxygen sensor behavior to determine if the misfire activity is ignition, engine mechanical or fuel related.
Pulling Codes: A Mercedes-Benz Story – A P0300 Analysis Using Exhaust Waveforms
This article will document the P0300 code for a 1996 Mercedes-Benz. A single cylinder misfire has occurred, and the technician decides to clear the code in my presence. I advised that it is a good strategy to maintain the code information for review. It’s clear that misfire activity can be challenging on some ignition systems, and I’ve found through my research that all of the car manufacturers appear to run their monitors in a similar fashion, but it’s still wise to review their service information for the differences and details of their systems.
Pulling Codes – A Hybrid Story: The Story Of P1A10
This article documents the code P1A10-Hybrid Powertrain Control Module-Battery Disabled found on a 2006 Ford Escape Hybrid 2.3L. Code P1A10 involves a possible interlock problem with the system. Our subject vehicle was a former police vehicle purchased at an auction – for $1! – in very poor condition. It does not run or power up, and both cluster displays are blank.