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Hyperactive left turn signal (blinks really fast), '02 C4S, ideas?

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14 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
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YOUR RESEARCHHyperactive left turn signal (blinks really fast), '02 C4S, ideas?

Leading reported evidence

Replace bulb

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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

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Suggestion · Original poster

Doubtful my CPO warranty alone would cover this so I'll eventually learn how to pull the headlight assembly to replace a bulb

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Hyperactive left turn signal (blinks really fast), '02 C4S, ideas?

Suggestion

Takes 5 minutes to change the bulb.

Original post Read captured discussion
Hyperactive left turn signal (blinks really fast), '02 C4S, ideas?

Suggestion

You can get a deeper appreciation for how wonderfully these cars are engineered by DIY'ing something as simple as changing a bulb.

Original post Read captured discussion
Hyperactive left turn signal (blinks really fast), '02 C4S, ideas?
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Leading evidence: 'Replace bulb' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace bulb' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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1 matching discussions · 14 captured posts examined · 0 partial discussions

Frequently discussed actions (1)

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Replace bulb

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

Doubtful my CPO warranty alone would cover this so I'll eventually learn how to pull the headlight assembly to replace a bulb

Original post Read captured discussion
Hyperactive left turn signal (blinks really fast), '02 C4S, ideas?

Suggestion

Takes 5 minutes to change the bulb.

Original post Read captured discussion
Hyperactive left turn signal (blinks really fast), '02 C4S, ideas?

Suggestion

You can get a deeper appreciation for how wonderfully these cars are engineered by DIY'ing something as simple as changing a bulb.

Original post Read captured discussion
Hyperactive left turn signal (blinks really fast), '02 C4S, ideas?
Coverage and how to read this overview

Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

14 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Rennlist: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261026T083035Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

If I'm remembering common automotive failures like this I'm thinking it's a dead / dying blinker relay? Or is this the car's way of telling me a bulb is dead or something? Right turn signal is normal.

POST 2Original post

Usually that means one of the bulbs is out. If not it could be the relay.

POST 3Original post

You may need to turn faster. But I'm no mechanic.

POST 7 / ORIGINAL POSTEROriginal post

I'll let dealer do the deed this time around since I'm still under full factory warranty for a while longer. Doubtful my CPO warranty alone would cover this so I'll eventually learn how to pull the headlight assembly to replace a bulb Thanks very much for all the quick responses!

POST 8Original post

Takes 5 minutes to change the bulb. Classic case of

POST 10Original post

A little exploration goes a long way. I get a little enjoyment tinkering on my Porsche - Looking things up in the manual, peeling the trunk carpet back to reveal where the headlight adjustment sites and headlight release rod are located, etc. You can get a deeper appreciation for how wonderfully these cars are engineered by DIY'ing something as simple as changing a bulb. Try it!

POST 11 / ORIGINAL POSTEROriginal post

once out of warranty then sure i'll DIY the simple stuff. dealer is conveniently located, i have the time, need excuse to survey the dealer's inventory anyhow. and besides, i also asked about a knocking sound while i was there, got a new turn signal bulb plus a new catalytic convertor as a bonus while i waited. total bill was $0.

POST 12Original post

lol. Yeah, as long as your dealer isn't like mine and will let the employees take the car on twenty-some miles of joyrides, and it's not inconvenient to drop off and they give you a loaner car, then you are correct sir.

POST 13Original post

My cars don't "do" dealers.............and nobody but me drives them.......ever.

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