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Mazda6 Antitheft and TCS Issues

Three weeks ago, the horn started going off while driving and the anti-theft light was blinking in synch. The pace of both increased with vehicle speed, until constant at about 20mph. I removed horn relay to kill the noise. One week later, the blinkers begin triggering both sides (like hazards). Another week later, I tried to crank the car, but experienced a very rough idle (enough to shake car). The TCS light came on, along with the check engine light (code P0606 - ECM failure). Upon restart, the car would not respond to gas pedal (TCS light on). I reset the code so I could drive home by disconnecting battery. Three days later, the battery was dead. I recharged and tested it and it was fine. I reinstalled it and the car cranked up, and drove around the block with no problems. The anti-theft light (and presumably horn - relay still removed) was no longer blinking during driving, but the light stayed on after parking, pulsing brighter at 3 second intervals. The dealer has recommended replacing the body control module (BCM). That doesn't seem to explain all the symptoms, though, particularly with the traction control system. I don't see how those two are connected.

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: traction control light comes on while driving in good weather

My 2002 Millenia just started doing this the other day, while on the freeway when it started doing it i would shut engine off and restart it and it would be good for a while then it would do it again, i am still looking for solution, has any one found one?

Posted on Jul 11, 2009

  • 13 Answers

SOURCE: Randomly won't start, happened after jumping dead battery

Probably the battery. Take it the chain auto parts place and they will test it for you.

Posted on Aug 29, 2009

  • 1 Answer

SOURCE: my 1993 mazda protege has about 176,000 miles on

revisa el damper....hce un mes tenia el mio los mismos chirridos....

Posted on Jan 03, 2010

  • 124 Answers

SOURCE: Rx8 2008-My battery was dead

You should have disconnected the battery and fully charged it before starting the car.
The low voltage may have damaged some of the electronic components in the alarm system.
Charge the battery fully, then reconnect it and see if that helps.

Posted on Apr 16, 2011

aocomp
  • 56 Answers

SOURCE: tcs light flashes and p0340 code

P0340 code means "Something" is wrong in the timing...
from CMP (Camshaft Position sensor) to the crankshaft bolt.

Very first thing, verify connectors are clean and shiny.
clear all codes, even hard codes.

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Posted on Nov 23, 2013

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