The code P0882: TCM Power Input Low points out a fault in the Transmission Control Module’s power input, indicating that the module is receiving lower than expected voltage. This module plays a critical role in managing the vehicle’s transmission system. A low input can be caused by various factors including issues with the vehicle’s electrical system, TIPM, or wiring to the TCM.
P0882 quick overview
| Meaning | P0882: TCM Power Input Low |
| Is it serious? | This code can be serious as it relates to the vehicle’s transmission control, potentially affecting transmission performance. |
| Possible causes | – Faulty Transmission Control Module (TCM) – Issues with the Totally Integrated Power Module (TIPM) – Damaged or poor electrical connections – Faulty wiring to the TCM – Problems with the vehicle’s PCM (Powertrain Control Module) |
| How to diagnose? | Check TIPM: Inspect the Totally Integrated Power Module for damage, water intrusion, or internal faults. Examine Connections: Verify all electrical connections, particularly those at the TIPM and TCM, for proper fit and integrity. Inspect Wiring: Look for damaged or faulty wiring leading to the TCM. Utilize Diagnostic Software: Use specialized diagnostic software like WiTech to run configuration or diagnostics. Test PCM/TCM Functionality: Assess the performance of the PCM and TCM, considering reprogramming or replacement if needed. |
P0882 Meaning
This code means there’s an issue with the power going into the part of your car that controls the transmission. It’s a bit like your transmission not getting enough power to work properly. This could be due to a number of reasons, like a problem with the car’s electrical system or a bad connection. It’s important to check this out, as it can affect how your car shifts gears and performs overall. The steps to figure it out usually involve looking at the electrical parts and connections, and sometimes using a computer program to diagnose the car.
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How to fix P0882 – learn from mechanics
I looked into P0882 service cases at iatn.com website where in the private forums the mechanics seek advice from other mechanics. I looked up a bunch of cases to help you decide how to fix your issue and see what would a real mechanic do to solve it.
Case #1: Chrysler
Vehicle Information: 2007 Chrysler PT Cruiser Limited 2.4L Transmission
Issue + Repair History:
- Intermittent locking in second gear.
- Codes P0882 and P0700 were present.
- Power loss to transmission control solenoids from PCM/TCM.
- Replaced the computer and reprogrammed at the dealer.
- Speedometer malfunctioned after computer replacement.
- Transmission input and output speed sensor signals were present, but no signal from TCM to PCM.
Other OBD2 Codes + Test Results:
- P0882 – Tested and replaced computer.
- P0700 – Indicating a TCM code.
Suggestions to Fix Issue:
- Program the tire size (pinion factor) for TCM.
- Check circuit from TIPM to transmission solenoid connector.
- Inspect for tight pin fit at TIPM connector.
- Reset and reprogram at the dealer for speedometer issue.
- Check the red wire on solenoid assembly for voltage supply.
- Consider possibility of a mechanical issue with the automatic transmission.
Final Fix:
- Speedometer fixed by re-flashing the computer.
- Identified a bad TIPM after extensive troubleshooting.
- Solid signal to TIPM, but 0 volts out.
- Resolved by replacing the TIPM
Case #2: Dodge
Vehicle Information: 2011 Dodge Ram 1500 5.7L
Issue + Repair History:
- MIL on and transmission in safe mode after driving 100km.
- DTCs reappear 15 seconds after start despite clearing.
- Speed control switch disconnected from PCM without resolving issue.
Other OBD2 Codes + Test Results:
- P0750: Lr solenoid circuit
- P0581: Speed control switch 1 circuit high
- P0585: Speed control switch 1/2 correlation
- P0882: TCM power input low
- P1593: Speed control switch 1 stuck
Suggestions to Fix Issue:
- Address P0882 TCM power input low code first.
- Check power at the TCM relay in the TIPM and for an internal fused circuit in the TIPM.
- Test Low/Reverse solenoid and wiring with a scan tool.
- Investigate speed control switch functionality and connections.
Final Fix:
- The issue was resolved with a new PCM.
- Replaced, flashed, and learned VIN for the new PCM.
- The original part number 5150581AC was superseded by RL150581AD.
- No service bulletins or recalls for the issue yet.
Case #3: Jeep
Vehicle Information: 2006 Jeep Commander 4.7L
Issue + Repair History:
- Limp in mode with check engine light on.
- Previous shop replaced TRS/solenoid pack; no change.
- Scanned vehicle and found multiple codes.
- No power to TRS/solenoid pack.
- Replaced PCM with a used unit and reprogrammed; no change.
- Yellow wire with brown stripe only had 0.50 volts.
- Replaced line pressure sensor.
Other OBD2 Codes + Test Results:
- P0846, P0869, P0871, P0876, P0882, P0988
- No actual line pressure (0.00) and transmission temp at -2.9°F.
Suggestions to Fix Issue:
- Check all wires from TCM to solenoid block.
- Diagnose the temperature sensor, important for transmission function.
- Consider possibility of separate TCM issues.
- Check for broken wires at PCM connector, ensure wires can hold load.
Final Fix:
- Took the vehicle to Dodge dealer.
- Reconfigured PCM and ABS modules.
- Problem solved, though exact cause remains unclear.
Case #4: Ram
Vehicle Information: 2006 Dodge Ram 1500 SLT 4.7L
Issue + Repair History:
- Truck stuck in default with P0882 DTC.
- Factory flow chart indicated a bad PCM; replaced with a used PCM and flashed.
- After PCM replacement, DTC P0882 cleared, but P0883 (TCM power high) appeared.
- Replaced transmission shift solenoids.
- Unable to perform quick learn or output testing due to P0883 code.
Other OBD2 Codes + Test Results:
- P0883: Voltage all time at transmission.
- P0882: No voltage at transmission.
Suggestions to Fix Issue:
- Replace TIPM (front fuse block) due to possible water intrusion or internal issues.
- Consider possibility of a bad valve body solenoid pack.
- Attempt a hard reset by connecting both battery cables together for 5 minutes.
Final Fix:
- Located several wires shorted out (smashed against sheet metal) near the TIPM.
- Problem resolved after fixing the shorted wires.
Case #5: Chrysler
Vehicle Information: 2008 Chrysler 300 LX 2.7L
Issue + Repair History:
- Original Power Integrated Module (TIPM) was bad.
- Replaced TIPM with a used one, but it had a different configuration.
- Code P0882 TCM Power Low circuit appeared after TIPM replacement.
Related Repair History:
- TIPM replaced with a used one.
Suggestions to Fix Issue:
- Use WiTech to run a restore configuration, especially for TIPM.
- Verify pin fit at the TIPM and check for poor electrical connections.
- Ensure the used TIPM is the correct part and in good condition.
- Check all fuses associated with the TIPM.
- Consider the possibility that the original diagnosis might have overlooked another issue.
Final Fix:
- Restoring the vehicle configuration solved the problem.
- The transmission feed control was not set prior to restoring the configuration.
- Original cluster issue also contributed; the problem resolved after fixing the original cluster and restoring vehicle configuration.
How to diagnose P0882
I made you an overview of solving this DTC, based on all the advice that was suggested by certified mechanics to address this issue in previously mentioned service cases.
| Common Advice for P0882 | Brief Description of Diagnostic Step |
|---|---|
| Check TIPM (Totally Integrated Power Module) | Inspect the TIPM for any issues such as water intrusion, internal faults, or poor connections. |
| Verify PCM/TCM Functionality | Test the functionality of the PCM/TCM, and consider replacement or reprogramming if found faulty. |
| Examine Electrical Connections and Wiring | Check for proper electrical connections, including pin fit and wiring integrity, especially at the TIPM. |
| Run Diagnostic Software | Use diagnostic software, like WiTech, to run a restore configuration or other relevant diagnostics. |
| Inspect and Replace Solenoid Pack if Necessary | Check the transmission solenoid pack for faults and replace if needed. |
| Consider Underlying Issues Beyond the Code | Investigate other potential causes that might not be directly indicated by the P0882 code. |
Car Diagnostics Training
- Car Electrical basics
- OBD-II scanner basics
- How to use an OBD reader
- Introduction to a Bi-directional Scan tool
- OBD scanner buyer’s guide + discounts
I test OBD-II scanners and make DIY Engine diagnostics guides to help you solve your car problems without having to depend on the mechanic. A lot of them will try to scam you or are just no help at all. About Juraj Lukacko