Q: TCS, ABS, and battery lights popped on. Car won't pick up speed. What's wrong with it?

asked by on

My car was running fine and all of a sudden the TCS off light came on, the battery light, and the abs light. It won't go past 5 miles per hour. It has never done this before. What could it be?

My car has 143675 miles.
My car has an automatic transmission.

Hello, thanks for writing in. I recommend checking for voltage regulator problems - specifically over-voltage (more than 14.5v with the engine running). If this is the case, replace the alternator/voltage regulator assembly. Over-voltage on this model causes the engine management to go into severe limp mode, presumably to protect all the electronics from being damaged. I would recommend having YourMechanic.com diagnose this issue, provide an accurate assessment of damage, and estimate the cost of repairs. YourMechanic.com can dispatch a mobile, professional mechanic to your location for diagnosis and repairs.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. TCS, ABS, and battery lights popped on. Car won't pick up speed. What's wrong with it?

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Q: My speedometer does not work

The speedometer is controlled by the PCM (Powertrain Control Module). The PCM receives data from the ABS module then sends it to the instrument cluster. In all, there are three modules, and a VSS (Vehicle Speed Sensor) involved with the...

Q: Car is slow to turn over

It seems you have three issues. If the engine is cranking slowly, the battery, the starter, the alternator, and the wiring will all need to be checked. The battery is the most likely problem, especially since your Infiniti is more...

Q: My car backfires. What might be the problem?

Hi there: Backfires occur for various reasons ranging from a cracked distributor cap allowing moisture inside ignition system components to fuel system issues caused by dirty or damaged sensors, crankshaft position sensor that throws off ignition timing or other items....

Related articles

How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.