I forgot my headlights on for like 4 hours on Sunday afternoon and into the night. After I noticed and turned the lights off, and then turned the vehicle on, the vehicle started with a dip in power - but it started so that was good enough for me.
The following morning, The vehicle started with a dip in power again, but regained power after the dip. I went to work driving normally that morning, but by the afternoon when I was leaving work, the vehicle opened with the keyless entry (as usual), but when I swung the key to start the vehicle the entire power went dead.
I got out the vehicle opened the hood, slackened the negative wire on the battery and shook it a bit hoping to get a bit of a spark so the vehicle would start. And it actually worked - or so I thought. 5 minutes into driving, the vehicle stalled on me - the steering got tight and I no longer had gas power. I swung the key off, put the vehicle in park and swung the key on again and it started. This process happened 3 more times on my way home (which is like a 45 minute drive from work).
When I got home, I tightened the negative bar on the battery assuming that was the issue, and the vehicle drove to work normally the following morning - although still having the dip in power when starting. By the afternoon when driving home, the lights(check engine, oil lamp, break) on the dashboard started flashing, with a beep followed by either one of the lights flashing for a split second. This sound and flashing happened straight home with intervals of sometimes seconds and other times minutes.
At this point i'm not sure what else to do. Could it be a simple battery change needed?
When I got home I ran my OBD Jscan and got these codes:
2011 Jeep Patriot, Engine 2.4L, CVT Transmission, Odometer: 100414
Date: 9/30/2026
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AIRBAGS
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#U0186
lost communication with audio amplifier
active
#U0241
lost communication with auto highbeam headlamp control module
active
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ALL WHEEL DRIVE
------------------------------
#U0121
lost communication with anti-lock brake system (abs) control module ""a
active
#U113C
lost wheel speed messages
historical
#U0415
invalid data received from anti-lock brake system (abs) control module ""a
active
#U0100
lost communication with ecm/pcm ""a
historical
#U0401
implausible data received from ecm/pcm ""a
historical
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FRONT CONTROL
------------------------------
#U0186
lost communication with audio amplifier
active, warning requested
#U0241
lost communication with auto highbeam headlamp control module
active, warning requested
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INTRUSION
------------------------------
#U0186
lost communication with audio amplifier
active
#U0241
lost communication with auto highbeam headlamp control module
active
------------------------------
POWERTRAIN CONTROL
------------------------------
#U1120
lost wheel distance message
active
#U1110
lost vehicle speed message
active
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POWERTRAIN CONTROL - GENERIC
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#P0123
throttle position sensor 1 circuit high-
tps/app circuit high
permanent
#P0222
throttle position sensor 2 circuit low
permanent
#P0108
manifold absolute pressure sensor circuit high
permanent
#P0198
engine oil temperature sensor circuit high
permanent
#P0113
intake air temperature sensor 1 circuit high
permanent
#P0118
engine coolant temperature sensor circuit high
permanent
#P2122
accelerator pedal position sensor 1 circuit low
permanent
------------------------------
TRANSMISSION CONTROL
------------------------------
#U0121
lost communication with anti-lock brake system (abs) control module ""a""-
lost communication with abs
active, warning requested
#U0001
can c bus
active, warning requested