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The 2006 GMC canyon, I have no brake lights. Switch at pedal is working and voltage present, no voltage getting to the lights. All turn signals, parking and hazards are working, just no brake lights.
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Ok tell me this is the pedal stuck all the down on the e-brake. If so if you look under the dash on the e-brake follow the pedal and you can see where it locks and all yo have to do is press pedal and with a screw driver release lock on the pedal. Good luck
Hi, your van does not use the signal filaments for the brake lights. You must have a wiring issue. Check for power at the brake light switch. If you have power there, the wire is broke from the switch to the S304 junction. If there is no power to the switch, the wire is broken between the fuse box and the switch. Please let me know if you have more questions, and thanks for using FixYa.
Start with the simple and check the fuses and the Stop lamp switch. Check your brake lights, if they're not working, the cruise won't work either. If they're not working, check the fuse for them, if the fuse is fine, then take it into the dealer, there's been a recall issued on the brake switch, so it should get fixed for free. Cruise Control Disengaged The powertrain control module (PCM) disengages the cruise control operation based on the signals from the following switches:
* The stop lamp switch * The TCC brake/cruise release switch * The clutch release switch, if equipped * The cruise control On/Off switch
The TCC brake/cruise release switch and the stop lamp switch are mounted on the brake pedal bracket. When the brake pedal is applied, the normally closed TCC brake/cruise release switch opens and the normally open stop lamp switch closes. The PCM detects a low signal voltage on the TCC brake/cruise release switch signal circuit and a high signal voltage on the stop lamp switch signal circuit. When the clutch pedal is applied, the normally closed clutch release switch opens and the PCM detects zero voltage on the CCP switch signal circuit. The vehicle speed stored in the memory of the PCM will be erased when the cruise control On/Off button is turned OFF, or the ignition switch is turned OFF.
The Cruise Control System will disengage when the PCM detects that a driver override function has been active for approximately 60 seconds .
When the Cruise Control System is disengaged, the PCM sends a class 2 message to the instrument panel cluster (IPC) in order to deactivate the cruise control indicator.
Cruise Control Inhibited The powertrain control module (PCM) inhibits the cruise control operation when any of the following conditions exist:
* A cruise control related DTC has been set. * The vehicle speed is less than 40.2 km/h (25 mph) . * The vehicle is in PARK, REVERSE, NEUTRAL, or 1st gear. * The engine RPM is too low. * The engine RPM is too high, with fuel cut off. * The vehicle speed is too high, with fuel cut off. * The system voltage is not between 9 volts and 16 volts . * The Traction Control System (TCS) is active for more than 2 seconds . Thank you for using Fixya and start with replacing the stop lamp switch. Even though the brake light work, it;s been known for that switch to cause your issue. that's way there was a recall for it.
No, but that's probably where your problem is. The wires get the hell beat out of them by stones, and then they short out and cause problems. I would take a look at it.
In the 04 models there has been a recall on a part in the brake lights. You can look it up and it gives you a number to call GMC. If you truck is one of the affected models they will replace it for you.
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