P023B on 2008-2023 Dodge Challenger (SXT, GT, R/T, R/T Scat Pack, SRT 392, SRT Hellcat, SRT Hellcat Redeye) — Charge Air Cooler Coolant Pump Control Circuit Low
1 vehicles · 1 makes · $140-$1,200 repair
Most Reported On
P023B is an OBD-II diagnostic trouble code meaning “Charge Air Cooler Coolant Pump Control Circuit Low.” The PCM detected a low-voltage (short-to-ground) condition in the charge air cooler (water-to-air intercooler) coolant pump control circuit. This code is most commonly reported on 2008-2023 Dodge Challenger (SXT, GT, R/T, R/T Scat Pack, SRT 392, SRT Hellcat, SRT Hellcat Redeye), with repair costs ranging from $140 to $1,200.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose P023B, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
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FAQ
What does P023B mean?
P023B stands for "Charge Air Cooler Coolant Pump Control Circuit Low." The PCM detected a low-voltage (short-to-ground) condition in the charge air cooler (water-to-air intercooler) coolant pump control circuit.
What are the most common causes of P023B?
The most common causes of P023B are: Short-to-ground in the pump control wiring, Failed coolant pump, Corroded connector, PCM output driver fault. The specific cause varies by vehicle.
How much does it cost to fix P023B?
Repair costs for P023B range from $140 to $1,200, depending on the vehicle and root cause.
Which vehicles are affected by P023B?
Au7o has documented P023B across 1 vehicle models from 1 manufacturers: Dodge.
Sources (6)
- ForumParasitic Battery Drain — Dodge Challenger Forum (ChallengerTalk)
- Forum2016 Challenger Parasitic Battery Drain — SRT Hellcat Forum
- ForumIntercooler Aux Pump Not Shutting Off (P023B / U02A9) — SRT Hellcat Forum
- article14 Complaints: 2017 Dodge Challenger Electrical System Problems — CarComplaints.com
- articleBattery Dead Problems of Dodge Challenger (18 owner reports) — CarProblemZoo
- articleDodge Challenger Battery Draining: Causes + Diagnosis — Drivetrain Resource
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.