DTC P0882:00 [AY6A-EL, AY6AX-EL]

id0502k1823100

DTC P0882:00 | TCM B+ low
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DETECTION CONDITION | • Conditions: Engine idling and TCM communication normal • Circumstances: Ignition terminal voltage under 9V detected • Time period: Determined after 20 times lasting 1 or more seconds Diagnostic support note: • The MIL illuminates if the TCM detects the above malfunction condition during the first drive cycle. • The AT warning light illuminates. • PENDING CODE is not available. • FREEZE FRAME DATA is available. • The DTC is stored in the TCM memory.
FAIL-SAFE FUNCTION | • Emergency mode 5
POSSIBLE CAUSE | • BCM malfunction • TCM connector or terminal malfunction • Short to GND in wiring harness between BCM terminal 2G and TCM terminal A11 • BCM connector or terminal malfunction • Open circuit in wiring harness between BCM terminal 2G and TCM terminal A11 • Short to GND in wiring harness between battery positive terminal and TCM terminal A1 • Melt down ENGINE 20A fuse • ENGINE 20A fuse connector or terminal malfunction • Open circuit in wiring harness between battery positive terminal and TCM terminal A1 • Open circuit in wiring harness between TCM terminal A9 and body GND • TCM malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
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1 | VERIFY FREEZE FRAME DATA HAS BEEN RECORDED • Has the FREEZE FRAME DATA been recorded on the repair order? | Yes | Go to the next step.
No | Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2 | VERIFY RELATED REPAIR INFORMATION AVAILABILITY • Verify related Service Information availability. • Is any related repair information available? | Yes | Perform repair or diagnosis according to the available repair information. • If the vehicle is not repaired, go to the next step.
No | Go to the next step.
3 | VERIFY DTC HAVE BEEN PRESENTED • Switch the ignition OFF, then switch it ON (Engine off). • Read the DTC in the BCM. • Is the DTC B1318 output? | Yes | Perform the “DTC B1318 Troubleshooting”. (See DTC B1318 [BCM].)
No | Go to the next step.
4 | INSPECT TCM CONNECTOR FOR POOR CONNECTION • Switch the ignition OFF. • Disconnect the TCM connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction? | Yes | Repair or replace the terminal, then go to Step 15.
No | Go to the next step.
5 | INSPECT B+ CIRCUIT • Disconnect the TCM connector. • Switch the ignition ON (Engine off). • Measure the voltage between the TCM terminal A1 (wiring harness-side) and body GND. • Is the voltage B+? | Yes | Go to go to Step 9.
No | Go to the next step.
6 | INSPECT B+ CIRCUIT FOR SHORT TO GND • Switch the ignition OFF. • Disconnect both battery cables. • Inspect for continuity between TCM terminal A1 (wiring harness-side) and body GND. • Is there continuity? | Yes | Repair or replace the wiring harness for a possible short to GND, then go to Step 15.
No | Go to the next step.
7 | INSPECT BCM CONNECTOR FOR POOR CONNECTION • Switch the ignition OFF. • Disconnect the BCM connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction? | Yes | Repair or replace the terminal, then go to Step 15.
No | Go to the next step.
8 | INSPECT IG1 CIRCUIT FOR OPEN CIRCUIT • Switch the ignition OFF. • Inspect for continuity between BCM terminal 2G (wiring harness-side) and TCM terminal A11 (wiring harness-side). • Is there continuity? | Yes | Go to the next step.
No | Repair or replace the wiring harness for a possible open circuit, then go to Step 15.
9 | INSPECT IG1 CIRCUIT • Disconnect the TCM connector. • Switch the ignition ON (Engine off). • Measure the voltage between the TCM terminal A11 (wiring harness-side) and body GND. • Is the voltage B+? | Yes | Go to go to Step 14.
No | Go to the next step.
10 | INSPECT IG1 CIRCUIT FOR SHORT TO GND • Switch the ignition OFF. • Disconnect both battery cables. • Inspect for continuity between TCM terminal A11 (wiring harness-side) and body GND. • Is there continuity? | Yes | Repair or replace the wiring harness for a possible short to GND, then go to Step 15.
No | Go to the next step.
11 | INSPECT ENGINE 20A FUSE • Switch the ignition OFF. • Inspect the ENGINE 20A fuse for proper installation and failure. • Is it normal? | Yes | Go to the next step.
No | • If the fuse is not installed correctly, install it correctly, then go to Step 15. • If fuse has been melted, replace it, then go to Step 15.
12 | INSPECT ENGINE 20A FUSE TERMINAL FOR POOR CONNECTION • Switch the ignition OFF. • Inspect for poor connection (such as damaged, corrosion) • Is there any malfunction? | Yes | Repair or replace the terminal, then go to Step 15.
No | Go to the next step.
13 | INSPECT B+ CIRCUIT FOR OPEN CIRCUIT • Switch the ignition OFF. • Inspect for continuity between battery positive terminal (wiring harness-side) and TCM terminal A1 (wiring harness-side). • Is there continuity? | Yes | Go to the next step.
No | Repair or replace the wiring harness for a possible open circuit, then go to Step 15.
14 | INSPECT GND CIRCUIT FOR OPEN CIRCUIT • Switch the ignition OFF. • Inspect for continuity between TCM terminal A9 (wiring harness-side) and body GND. • Is there continuity? | Yes | Go to the next step.
No | Repair or replace the wiring harness for a possible open circuit, then go to the next step.
15 | VERIFY DTC TROUBLESHOOTING COMPLETED • Make sure to reconnect all the disconnected connectors. • Clear the DTC using the M-MDS. • Perform the following procedure to ensure that the DTC has been resolved: 1. Start the engine. 2. Warm up the engine and transaxle. 3. Drive the vehicle in D position and make sure that the gears shift smoothly from 1GR to 6GR. • Is the same DTC present? | Yes | Replace the TCM, then go to the next step. (See TCM REMOVAL/INSTALLATION [AY6A-EL, AY6AX-EL].)
No | Go to the next step.
16 | VERIFY NO DTCs ARE PRESENT • Perform the “Reading DTCs Procedure”. (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [AY6A-EL, AY6AX-EL].) • Are any DTCs present? | Yes | Go to the applicable DTC inspection. (See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [AY6A-EL, AY6AX-EL].)
No | DTC troubleshooting completed.