P1004 on 1999-2001 Chrysler LHS — Short Runner Valve (SRV) Control Performance (manufacturer-specific)
1 vehicles · 1 makes · $150-$400 repair
Most Reported On
P1004 is an OBD-II diagnostic trouble code meaning “Short Runner Valve (SRV) Control Performance (manufacturer-specific).” P1004 is a manufacturer-specific powertrain code, so its exact meaning depends on the maker. On Chrysler, Dodge, Jeep, and Ram vehicles it most commonly indicates a Short Runner Valve control performance problem, where the engine computer detected that the intake manifold's variable-runner (SRV) flaps are not responding as commanded. On Volkswagen/Audi it instead refers to a cylinder 1 torque-difference fault. It generally points to an intake air-management or fueling concern that can affect smoothness and power. This code is most commonly reported on 1999-2001 Chrysler LHS, with repair costs ranging from $150 to $400.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose P1004, 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
As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.
FAQ
What does P1004 mean?
P1004 stands for "Short Runner Valve (SRV) Control Performance (manufacturer-specific)." P1004 is a manufacturer-specific powertrain code, so its exact meaning depends on the maker. On Chrysler, Dodge, Jeep, and Ram vehicles it most commonly indicates a Short Runner Valve control performance problem, where the engine computer detected that the intake manifold's variable-runner (SRV) flaps are not responding as commanded. On Volkswagen/Audi it instead refers to a cylinder 1 torque-difference fault. It generally points to an intake air-management or fueling concern that can affect smoothness and power.
What are the most common causes of P1004?
The most common causes of P1004 are: Failed or stuck Short Runner Valve actuator/motor (Chrysler group), Intake manifold runner control mechanism stuck or binding, Outdated PCM software requiring a TSB update, Wiring or connector fault to the SRV actuator, Carbon buildup restricting runner flap movement, Vacuum/electrical control problem, On VW/Audi: cylinder 1 fueling or compression imbalance. The specific cause varies by vehicle.
How much does it cost to fix P1004?
Repair costs for P1004 range from $150 to $400, depending on the vehicle and root cause.
Which vehicles are affected by P1004?
Au7o has documented P1004 across 1 vehicle models from 1 manufacturers: Chrysler.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.