Toggle Side Panel

Shopping Cart

No products in the basket.

Shopping Cart

No products in the basket.

Close search
Home / DTC / P061B — Internal Control Module Torque Calculation Performance

P061B — Internal Control Module Torque Calculation Performance

Detailed page for trouble code P061B.

34,405codes
59brands
11,914generic
22,491specific
All codes P-codes (Powertrain) B-codes (Body) C-codes (Chassis) U-codes (Network/User) Tesla Alerts
Reset
Code

P061B

Generic P — Powertrain

Internal Control Module Torque Calculation Performance

Brand: Generic
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Corrupt or outdated PCM software/calibration
  • PCM internal processor or memory fault
  • Invalid or missing input signals used for torque calculation (MAF, MAP, TPS/APP, crank/cam, fuel/ignition timing)
  • Intermittent or low battery/charging voltage to PCM
  • Poor power/ground connections or damaged PCM connector
  • CAN bus or module-to-module communication errors

Symptoms

  • Malfunction Indicator Lamp (MIL) illuminated
  • Reduced engine power or limp-home mode
  • Erratic idle, surging or stalling
  • Inconsistent throttle response or hesitation
  • Transmission shift abnormalities (hard/late shifts) when torque-based shift logic is used
  • Loss of certain driver-assist or torque-management functions

What to check

  • Read freeze frame and all stored/ pending codes; note operating conditions when code set
  • Confirm VIN/calibration ID and compare PCM software version to manufacturer bulletin/TSB
  • Check battery voltage and charging system (key on and engine running)
  • Inspect PCM connectors for corrosion, bent pins, water intrusion and secure mating
  • Verify power and ground circuits to PCM with wiring diagrams, measure voltage and resistance
  • Scan live data for torque_calculated vs torque_requested and verify sensor inputs (MAF, MAP, TPS/APP, RPM, ignition timing)

Signal parameters

  • Engine Speed (RPM) — should be stable and match tachometer
  • Calculated Torque (engine torque estimate) — normally a positive/negative N·m or lb-ft value, expected to change with throttle
  • Requested/Commanded Torque — should correlate with accelerator pedal position/APP
  • Accelerator Pedal Position (APP) / TPS — 0–100% with smooth travel, no spikes
  • MAF (g/s) or MAP (kPa) — within expected range for RPM and load
  • Ignition Timing (°BTDC) — not wildly out of expected values

Diagnostic algorithm

  1. Retrieve all DTCs and freeze-frame data; record operating conditions and any related codes.
  2. Clear codes and perform a controlled road or dynamometer test to try to re-create the fault while monitoring live data (calculated torque, requested torque, APP/TPS, MAF/MAP, RPM, battery voltage).
  3. Verify sensor inputs used by torque algorithm: check APP/TPS for smooth operation, verify MAF/MAP for plausibility, and confirm crank/cam sensor signals. Repair any sensor faults first.
  4. Check power and ground to PCM: measure key-on and engine-running supply voltages, measure ground resistance to chassis/negative battery, inspect for intermittent connections and corrosion; repair as needed.
  5. Inspect PCM connector and wiring harness for damage, water intrusion, pin corrosion or bent pins. Wiggle-test harness with scan tool monitoring for parameter dropouts.
  6. Check CAN bus communications: confirm other modules present and communicating, look for bus errors, shorted or open CAN lines and correct wiring faults.
  7. Compare PCM software/calibration level to latest manufacturer service information; if older or known-issue software exists, perform a reflash/update per manufacturer procedure.
  8. If software update does not resolve and inputs/power/communications are verified good, consider bench or dealer-level PCM diagnostics (self-tests, extended memory checks). Replace PCM only after confirming a verified internal fault.
  9. After repairs, erase codes and verify proper operation through road test and re-check for reoccurrence; document software/calibration ID and work performed.

Likely causes

  • PCM software bug or corrupted calibration file
  • Faulty or intermittent battery/ignition power or ground to PCM
  • One or more sensor inputs out of range (MAF, MAP, TPS, APP, crank/cam) feeding bad data into torque algorithm
  • CAN bus messages missing or corrupted (loss of engine/transmission data)
  • PCM hardware degradation (processor/memory fault) or water/damage at connector

Fault status

⚠️ Status
PCM has detected invalid or inconsistent torque calculation results or an internal torque-calculation function fault.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-3.0 hours

Similar codes

P0601 P0606 P0607 P0600
8,284

The library contains 8,284 repair and diagnostic manuals. Choose a brand to open the full manual tree by year, model and trim.

ALFA ROMEO
89
AUDI
1,160
BMW
479
CHEVROLET
456
DAEWOO
75
FIAT
26
GENESIS
207
HUMMER
138
HYUNDAI
371
ISUZU
86
LAND ROVER
320
LEXUS
280
LINCOLN
166
MERCEDES-BENZ
856
MERCURY
296
MITSUBISHI
406
PORSCHE
136
TESLA
58
TOYOTA
2,042
TRIUMPH
131
VOLKSWAGEN
285
VOLVO
221
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P061B

LAND ROVER P — Powertrain

Performance of torque calculation internal control module

Brand: LAND ROVER
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Corrupt or outdated PCM software/calibration
  • PCM internal processor or memory fault
  • Invalid or missing input signals used for torque calculation (MAF, MAP, TPS/APP, crank/cam, fuel/ignition timing)
  • Intermittent or low battery/charging voltage to PCM
  • Poor power/ground connections or damaged PCM connector
  • CAN bus or module-to-module communication errors

Symptoms

  • Malfunction Indicator Lamp (MIL) illuminated
  • Reduced engine power or limp-home mode
  • Erratic idle, surging or stalling
  • Inconsistent throttle response or hesitation
  • Transmission shift abnormalities (hard/late shifts) when torque-based shift logic is used
  • Loss of certain driver-assist or torque-management functions

What to check

  • Read freeze frame and all stored/ pending codes; note operating conditions when code set
  • Confirm VIN/calibration ID and compare PCM software version to manufacturer bulletin/TSB
  • Check battery voltage and charging system (key on and engine running)
  • Inspect PCM connectors for corrosion, bent pins, water intrusion and secure mating
  • Verify power and ground circuits to PCM with wiring diagrams, measure voltage and resistance
  • Scan live data for torque_calculated vs torque_requested and verify sensor inputs (MAF, MAP, TPS/APP, RPM, ignition timing)

Signal parameters

  • Engine Speed (RPM) — should be stable and match tachometer
  • Calculated Torque (engine torque estimate) — normally a positive/negative N·m or lb-ft value, expected to change with throttle
  • Requested/Commanded Torque — should correlate with accelerator pedal position/APP
  • Accelerator Pedal Position (APP) / TPS — 0–100% with smooth travel, no spikes
  • MAF (g/s) or MAP (kPa) — within expected range for RPM and load
  • Ignition Timing (°BTDC) — not wildly out of expected values

Diagnostic algorithm

  1. Retrieve all DTCs and freeze-frame data; record operating conditions and any related codes.
  2. Clear codes and perform a controlled road or dynamometer test to try to re-create the fault while monitoring live data (calculated torque, requested torque, APP/TPS, MAF/MAP, RPM, battery voltage).
  3. Verify sensor inputs used by torque algorithm: check APP/TPS for smooth operation, verify MAF/MAP for plausibility, and confirm crank/cam sensor signals. Repair any sensor faults first.
  4. Check power and ground to PCM: measure key-on and engine-running supply voltages, measure ground resistance to chassis/negative battery, inspect for intermittent connections and corrosion; repair as needed.
  5. Inspect PCM connector and wiring harness for damage, water intrusion, pin corrosion or bent pins. Wiggle-test harness with scan tool monitoring for parameter dropouts.
  6. Check CAN bus communications: confirm other modules present and communicating, look for bus errors, shorted or open CAN lines and correct wiring faults.
  7. Compare PCM software/calibration level to latest manufacturer service information; if older or known-issue software exists, perform a reflash/update per manufacturer procedure.
  8. If software update does not resolve and inputs/power/communications are verified good, consider bench or dealer-level PCM diagnostics (self-tests, extended memory checks). Replace PCM only after confirming a verified internal fault.
  9. After repairs, erase codes and verify proper operation through road test and re-check for reoccurrence; document software/calibration ID and work performed.

Likely causes

  • PCM software bug or corrupted calibration file
  • Faulty or intermittent battery/ignition power or ground to PCM
  • One or more sensor inputs out of range (MAF, MAP, TPS, APP, crank/cam) feeding bad data into torque algorithm
  • CAN bus messages missing or corrupted (loss of engine/transmission data)
  • PCM hardware degradation (processor/memory fault) or water/damage at connector

Fault status

⚠️ Status
PCM has detected invalid or inconsistent torque calculation results or an internal torque-calculation function fault.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-3.0 hours

Similar codes

P0601 P0606 P0607 P0600
320

Browse 320 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

LAND ROVER

Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email

Report

Harassment or bullying behavior
Contains mature or sensitive content
Contains misleading or false information
Contains abusive or derogatory content
Contains spam, fake content or potential malware

Block Member?

Please confirm you want to block this member.

You will no longer be able to:

  • See blocked member's posts
  • Mention this member in posts
  • Invite this member to groups
  • Message this member
  • Add this member as a connection

Please note: This action will also remove this member from your connections and send a report to the site admin. Please allow a few minutes for this process to complete.

Report

You have already reported this .