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Flashing Lights

The first thing that needs to be done is to scan the vehicle for all codes (https://www.yourmechanic.com/article/what-is-the-on-board-diagnostics-obd-system). Since the overdrive light is flashing, a simple code reader from your local parts store will not likely be of any help. Code...

Hello, thank you for writing in. The vehicle is likely having an issue with the TCM, or transmission control module. The issues you are having are classic of a TCM failure, and the issues will get worse. Unfortunately, there are...

The wire connection at the turn signal multifunction switch should be checked for heat related damage and replaced with a new multifunction turn signal switch. The switch goes bad but also the connector can be damaged also at the same...

The issue is the alarm system (security) is tripped on your vehicle. Try turning the key to the 'ON' position and locking and unlocking the doors with the key fob remote, that is if your vehicle has a remote. This...

Hi there. The relay to the windows could have stopped working. Also, the flasher or relay could have stopped working as well. Since these are two different electrical circuits, it could be possible that both relays quit, but more an...

Hi there. Check the lights fuses in the fuse box. If the fuses are good, then turn on the ignition key and check for power to the ignition switch on the fuse box. If there is power to the ignition...

Hi there. Check the turn signal switch on the steering column. If the blinker is staying on and not shutting off, then the blinker switch is stuck on. You could remove the switch from the steering column and take it...

Hi there. Any time that the rear back up lights blink in reverse would be caused by a short in the flasher circuit or a blinker circuit. This will make the back up lights flash when energizing the flasher. The...

Hello. If your hazard lights are malfunctioning, especially after a jump start, then it may be possible that there is an issue with one of the electrical components. The flashers are controlled by electrical relays that switch power to them...

A flashing Check Engine Light is commonly an indicator that you have non-burning raw fuel that is flowing into the exhaust system or triggering the O2 sensors to report this information. This is one reason why your engine is probably...

You need to check the charging system to make sure the voltage output is not over about 13.7 volts. If it is then have charging system checked. The fog lights and daytime running lights are on different circuits and should...

Hello. This is a problem within the vehicles control module. The main body control module that controls the lighting either has an internal hardware failure or an issue with the programming. I usually try reprogramming the system first and if...

Hello -both the flasher unit (https://www.yourmechanic.com/article/how-to-replace-a-turn-signal-hazard-flasher-by-jessica-howe) and the relay for it are close to each other, and under the dash just left of the steering column. The knee crash pad will need to be removed to make it easier to...

Hello - the flasher unit (turn signal/hazard warning flasher) itself is a blue plastic cube (golf ball size) located behind the the "knee panel" just to the left of the steering column. Visually identification is easy (bright blue). Should you...

Hi there. Check the lights and see if there is a bulb that is burned out. A flasher will start to flash quickly when a bulb has burned out causing the power to be transferred to one light only and...

Hi there. Check all of the vehicle grounds to the lighting circuits and the ignition circuits. Make sure that the grounds are cleaned and tightened. A loose ground will cause circuits to malfunction and not work correctly. If you need...

Hello - the problem you are experiencing is a failure of the turn signal/hazard warning flasher unit (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-hazard-turn-signal-flasher). The flasher unit performs the flash function for both your turn signals, and the emergency hazard flasher function. I recommend a turn...

When you look at the fuse block under the left side of the dash you will see a big flasher. This is the flasher for the turn signals. The hazard flasher is on the back side of the fuse box...

Hello - I suspect there is a bad ground or wiring damage on the left side wiring for the turn signals. The turn signals and emergency warning flashers use the same flasher unit (https://www.yourmechanic.com/services/hazard-turn-signal-flasher-replacement), which explains why the right side...

The symptoms you describe along with the blinking Check Engine Light and P0303 trouble code definitely tell us that you have a misfire in cylinder number 3 (https://www.yourmechanic.com/article/p0303-obd-ii-trouble-code-cylinder-3-misfire-detected-by-spencer-clayton_2). Your engine uses a coil on plug system. This means each individual...